xref: /linux/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c (revision a55f7f5f29b32c2c53cc291899cf9b0c25a07f7c)
1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright(c) 1999 - 2024 Intel Corporation. */
3 
4 /* ethtool support for ixgbe */
5 
6 #include <linux/interrupt.h>
7 #include <linux/types.h>
8 #include <linux/module.h>
9 #include <linux/slab.h>
10 #include <linux/pci.h>
11 #include <linux/netdevice.h>
12 #include <linux/ethtool.h>
13 #include <linux/vmalloc.h>
14 #include <linux/highmem.h>
15 #include <linux/uaccess.h>
16 
17 #include "ixgbe.h"
18 #include "ixgbe_phy.h"
19 
20 
21 enum {NETDEV_STATS, IXGBE_STATS};
22 
23 struct ixgbe_stats {
24 	char stat_string[ETH_GSTRING_LEN];
25 	int type;
26 	int sizeof_stat;
27 	int stat_offset;
28 };
29 
30 #define IXGBE_STAT(m)		IXGBE_STATS, \
31 				sizeof(((struct ixgbe_adapter *)0)->m), \
32 				offsetof(struct ixgbe_adapter, m)
33 #define IXGBE_NETDEV_STAT(m)	NETDEV_STATS, \
34 				sizeof(((struct rtnl_link_stats64 *)0)->m), \
35 				offsetof(struct rtnl_link_stats64, m)
36 
37 static const struct ixgbe_stats ixgbe_gstrings_stats[] = {
38 	{"rx_packets", IXGBE_NETDEV_STAT(rx_packets)},
39 	{"tx_packets", IXGBE_NETDEV_STAT(tx_packets)},
40 	{"rx_bytes", IXGBE_NETDEV_STAT(rx_bytes)},
41 	{"tx_bytes", IXGBE_NETDEV_STAT(tx_bytes)},
42 	{"rx_pkts_nic", IXGBE_STAT(stats.gprc)},
43 	{"tx_pkts_nic", IXGBE_STAT(stats.gptc)},
44 	{"rx_bytes_nic", IXGBE_STAT(stats.gorc)},
45 	{"tx_bytes_nic", IXGBE_STAT(stats.gotc)},
46 	{"lsc_int", IXGBE_STAT(lsc_int)},
47 	{"tx_busy", IXGBE_STAT(tx_busy)},
48 	{"non_eop_descs", IXGBE_STAT(non_eop_descs)},
49 	{"rx_errors", IXGBE_NETDEV_STAT(rx_errors)},
50 	{"tx_errors", IXGBE_NETDEV_STAT(tx_errors)},
51 	{"rx_dropped", IXGBE_NETDEV_STAT(rx_dropped)},
52 	{"tx_dropped", IXGBE_NETDEV_STAT(tx_dropped)},
53 	{"multicast", IXGBE_NETDEV_STAT(multicast)},
54 	{"broadcast", IXGBE_STAT(stats.bprc)},
55 	{"rx_no_buffer_count", IXGBE_STAT(stats.rnbc[0]) },
56 	{"collisions", IXGBE_NETDEV_STAT(collisions)},
57 	{"rx_over_errors", IXGBE_NETDEV_STAT(rx_over_errors)},
58 	{"rx_crc_errors", IXGBE_NETDEV_STAT(rx_crc_errors)},
59 	{"rx_frame_errors", IXGBE_NETDEV_STAT(rx_frame_errors)},
60 	{"hw_rsc_aggregated", IXGBE_STAT(rsc_total_count)},
61 	{"hw_rsc_flushed", IXGBE_STAT(rsc_total_flush)},
62 	{"fdir_match", IXGBE_STAT(stats.fdirmatch)},
63 	{"fdir_miss", IXGBE_STAT(stats.fdirmiss)},
64 	{"fdir_overflow", IXGBE_STAT(fdir_overflow)},
65 	{"rx_fifo_errors", IXGBE_NETDEV_STAT(rx_fifo_errors)},
66 	{"rx_missed_errors", IXGBE_NETDEV_STAT(rx_missed_errors)},
67 	{"tx_aborted_errors", IXGBE_NETDEV_STAT(tx_aborted_errors)},
68 	{"tx_carrier_errors", IXGBE_NETDEV_STAT(tx_carrier_errors)},
69 	{"tx_fifo_errors", IXGBE_NETDEV_STAT(tx_fifo_errors)},
70 	{"tx_heartbeat_errors", IXGBE_NETDEV_STAT(tx_heartbeat_errors)},
71 	{"tx_timeout_count", IXGBE_STAT(tx_timeout_count)},
72 	{"tx_restart_queue", IXGBE_STAT(restart_queue)},
73 	{"rx_length_errors", IXGBE_STAT(stats.rlec)},
74 	{"rx_long_length_errors", IXGBE_STAT(stats.roc)},
75 	{"rx_short_length_errors", IXGBE_STAT(stats.ruc)},
76 	{"tx_flow_control_xon", IXGBE_STAT(stats.lxontxc)},
77 	{"rx_flow_control_xon", IXGBE_STAT(stats.lxonrxc)},
78 	{"tx_flow_control_xoff", IXGBE_STAT(stats.lxofftxc)},
79 	{"rx_flow_control_xoff", IXGBE_STAT(stats.lxoffrxc)},
80 	{"rx_csum_offload_errors", IXGBE_STAT(hw_csum_rx_error)},
81 	{"alloc_rx_page", IXGBE_STAT(alloc_rx_page)},
82 	{"alloc_rx_page_failed", IXGBE_STAT(alloc_rx_page_failed)},
83 	{"alloc_rx_buff_failed", IXGBE_STAT(alloc_rx_buff_failed)},
84 	{"rx_no_dma_resources", IXGBE_STAT(hw_rx_no_dma_resources)},
85 	{"os2bmc_rx_by_bmc", IXGBE_STAT(stats.o2bgptc)},
86 	{"os2bmc_tx_by_bmc", IXGBE_STAT(stats.b2ospc)},
87 	{"os2bmc_tx_by_host", IXGBE_STAT(stats.o2bspc)},
88 	{"os2bmc_rx_by_host", IXGBE_STAT(stats.b2ogprc)},
89 	{"tx_hwtstamp_timeouts", IXGBE_STAT(tx_hwtstamp_timeouts)},
90 	{"tx_hwtstamp_skipped", IXGBE_STAT(tx_hwtstamp_skipped)},
91 	{"rx_hwtstamp_cleared", IXGBE_STAT(rx_hwtstamp_cleared)},
92 	{"tx_ipsec", IXGBE_STAT(tx_ipsec)},
93 	{"rx_ipsec", IXGBE_STAT(rx_ipsec)},
94 #ifdef IXGBE_FCOE
95 	{"fcoe_bad_fccrc", IXGBE_STAT(stats.fccrc)},
96 	{"rx_fcoe_dropped", IXGBE_STAT(stats.fcoerpdc)},
97 	{"rx_fcoe_packets", IXGBE_STAT(stats.fcoeprc)},
98 	{"rx_fcoe_dwords", IXGBE_STAT(stats.fcoedwrc)},
99 	{"fcoe_noddp", IXGBE_STAT(stats.fcoe_noddp)},
100 	{"fcoe_noddp_ext_buff", IXGBE_STAT(stats.fcoe_noddp_ext_buff)},
101 	{"tx_fcoe_packets", IXGBE_STAT(stats.fcoeptc)},
102 	{"tx_fcoe_dwords", IXGBE_STAT(stats.fcoedwtc)},
103 #endif /* IXGBE_FCOE */
104 };
105 
106 /* ixgbe allocates num_tx_queues and num_rx_queues symmetrically so
107  * we set the num_rx_queues to evaluate to num_tx_queues. This is
108  * used because we do not have a good way to get the max number of
109  * rx queues with CONFIG_RPS disabled.
110  */
111 #define IXGBE_NUM_RX_QUEUES netdev->num_tx_queues
112 
113 #define IXGBE_QUEUE_STATS_LEN ( \
114 	(netdev->num_tx_queues + IXGBE_NUM_RX_QUEUES) * \
115 	(sizeof(struct ixgbe_queue_stats) / sizeof(u64)))
116 #define IXGBE_GLOBAL_STATS_LEN ARRAY_SIZE(ixgbe_gstrings_stats)
117 #define IXGBE_PB_STATS_LEN ( \
118 			(sizeof(((struct ixgbe_adapter *)0)->stats.pxonrxc) + \
119 			 sizeof(((struct ixgbe_adapter *)0)->stats.pxontxc) + \
120 			 sizeof(((struct ixgbe_adapter *)0)->stats.pxoffrxc) + \
121 			 sizeof(((struct ixgbe_adapter *)0)->stats.pxofftxc)) \
122 			/ sizeof(u64))
123 #define IXGBE_STATS_LEN (IXGBE_GLOBAL_STATS_LEN + \
124 			 IXGBE_PB_STATS_LEN + \
125 			 IXGBE_QUEUE_STATS_LEN)
126 
127 static const char ixgbe_gstrings_test[][ETH_GSTRING_LEN] = {
128 	"Register test  (offline)", "Eeprom test    (offline)",
129 	"Interrupt test (offline)", "Loopback test  (offline)",
130 	"Link test   (on/offline)"
131 };
132 #define IXGBE_TEST_LEN sizeof(ixgbe_gstrings_test) / ETH_GSTRING_LEN
133 
134 static const char ixgbe_priv_flags_strings[][ETH_GSTRING_LEN] = {
135 #define IXGBE_PRIV_FLAGS_LEGACY_RX	BIT(0)
136 	"legacy-rx",
137 #define IXGBE_PRIV_FLAGS_VF_IPSEC_EN	BIT(1)
138 	"vf-ipsec",
139 #define IXGBE_PRIV_FLAGS_AUTO_DISABLE_VF	BIT(2)
140 	"mdd-disable-vf",
141 };
142 
143 #define IXGBE_PRIV_FLAGS_STR_LEN ARRAY_SIZE(ixgbe_priv_flags_strings)
144 
145 #define ixgbe_isbackplane(type) ((type) == ixgbe_media_type_backplane)
146 
ixgbe_set_supported_10gtypes(struct ixgbe_hw * hw,struct ethtool_link_ksettings * cmd)147 static void ixgbe_set_supported_10gtypes(struct ixgbe_hw *hw,
148 					 struct ethtool_link_ksettings *cmd)
149 {
150 	if (!ixgbe_isbackplane(hw->phy.media_type)) {
151 		ethtool_link_ksettings_add_link_mode(cmd, supported,
152 						     10000baseT_Full);
153 		return;
154 	}
155 
156 	switch (hw->device_id) {
157 	case IXGBE_DEV_ID_82598:
158 	case IXGBE_DEV_ID_82599_KX4:
159 	case IXGBE_DEV_ID_82599_KX4_MEZZ:
160 	case IXGBE_DEV_ID_X550EM_X_KX4:
161 		ethtool_link_ksettings_add_link_mode
162 			(cmd, supported, 10000baseKX4_Full);
163 		break;
164 	case IXGBE_DEV_ID_82598_BX:
165 	case IXGBE_DEV_ID_82599_KR:
166 	case IXGBE_DEV_ID_X550EM_X_KR:
167 	case IXGBE_DEV_ID_X550EM_X_XFI:
168 		ethtool_link_ksettings_add_link_mode
169 			(cmd, supported, 10000baseKR_Full);
170 		break;
171 	default:
172 		ethtool_link_ksettings_add_link_mode
173 			(cmd, supported, 10000baseKX4_Full);
174 		ethtool_link_ksettings_add_link_mode
175 			(cmd, supported, 10000baseKR_Full);
176 		break;
177 	}
178 }
179 
ixgbe_set_advertising_10gtypes(struct ixgbe_hw * hw,struct ethtool_link_ksettings * cmd)180 static void ixgbe_set_advertising_10gtypes(struct ixgbe_hw *hw,
181 					   struct ethtool_link_ksettings *cmd)
182 {
183 	if (!ixgbe_isbackplane(hw->phy.media_type)) {
184 		ethtool_link_ksettings_add_link_mode(cmd, advertising,
185 						     10000baseT_Full);
186 		return;
187 	}
188 
189 	switch (hw->device_id) {
190 	case IXGBE_DEV_ID_82598:
191 	case IXGBE_DEV_ID_82599_KX4:
192 	case IXGBE_DEV_ID_82599_KX4_MEZZ:
193 	case IXGBE_DEV_ID_X550EM_X_KX4:
194 		ethtool_link_ksettings_add_link_mode
195 			(cmd, advertising, 10000baseKX4_Full);
196 		break;
197 	case IXGBE_DEV_ID_82598_BX:
198 	case IXGBE_DEV_ID_82599_KR:
199 	case IXGBE_DEV_ID_X550EM_X_KR:
200 	case IXGBE_DEV_ID_X550EM_X_XFI:
201 		ethtool_link_ksettings_add_link_mode
202 			(cmd, advertising, 10000baseKR_Full);
203 		break;
204 	default:
205 		ethtool_link_ksettings_add_link_mode
206 			(cmd, advertising, 10000baseKX4_Full);
207 		ethtool_link_ksettings_add_link_mode
208 			(cmd, advertising, 10000baseKR_Full);
209 		break;
210 	}
211 }
212 
ixgbe_get_link_ksettings(struct net_device * netdev,struct ethtool_link_ksettings * cmd)213 static int ixgbe_get_link_ksettings(struct net_device *netdev,
214 				    struct ethtool_link_ksettings *cmd)
215 {
216 	struct ixgbe_adapter *adapter = ixgbe_from_netdev(netdev);
217 	struct ixgbe_hw *hw = &adapter->hw;
218 	ixgbe_link_speed supported_link;
219 	bool autoneg = false;
220 
221 	ethtool_link_ksettings_zero_link_mode(cmd, supported);
222 	ethtool_link_ksettings_zero_link_mode(cmd, advertising);
223 
224 	hw->mac.ops.get_link_capabilities(hw, &supported_link, &autoneg);
225 
226 	/* set the supported link speeds */
227 	if (supported_link & IXGBE_LINK_SPEED_10GB_FULL) {
228 		ixgbe_set_supported_10gtypes(hw, cmd);
229 		ixgbe_set_advertising_10gtypes(hw, cmd);
230 	}
231 	if (supported_link & IXGBE_LINK_SPEED_5GB_FULL)
232 		ethtool_link_ksettings_add_link_mode(cmd, supported,
233 						     5000baseT_Full);
234 
235 	if (supported_link & IXGBE_LINK_SPEED_2_5GB_FULL)
236 		ethtool_link_ksettings_add_link_mode(cmd, supported,
237 						     2500baseT_Full);
238 
239 	if (supported_link & IXGBE_LINK_SPEED_1GB_FULL) {
240 		if (ixgbe_isbackplane(hw->phy.media_type)) {
241 			ethtool_link_ksettings_add_link_mode(cmd, supported,
242 							     1000baseKX_Full);
243 			ethtool_link_ksettings_add_link_mode(cmd, advertising,
244 							     1000baseKX_Full);
245 		} else {
246 			ethtool_link_ksettings_add_link_mode(cmd, supported,
247 							     1000baseT_Full);
248 			ethtool_link_ksettings_add_link_mode(cmd, advertising,
249 							     1000baseT_Full);
250 		}
251 	}
252 	if (supported_link & IXGBE_LINK_SPEED_100_FULL) {
253 		ethtool_link_ksettings_add_link_mode(cmd, supported,
254 						     100baseT_Full);
255 		ethtool_link_ksettings_add_link_mode(cmd, advertising,
256 						     100baseT_Full);
257 	}
258 	if (supported_link & IXGBE_LINK_SPEED_10_FULL) {
259 		ethtool_link_ksettings_add_link_mode(cmd, supported,
260 						     10baseT_Full);
261 		ethtool_link_ksettings_add_link_mode(cmd, advertising,
262 						     10baseT_Full);
263 	}
264 
265 	/* set the advertised speeds */
266 	if (hw->phy.autoneg_advertised) {
267 		ethtool_link_ksettings_zero_link_mode(cmd, advertising);
268 		if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_10_FULL)
269 			ethtool_link_ksettings_add_link_mode(cmd, advertising,
270 							     10baseT_Full);
271 		if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_100_FULL)
272 			ethtool_link_ksettings_add_link_mode(cmd, advertising,
273 							     100baseT_Full);
274 		if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_10GB_FULL)
275 			ixgbe_set_advertising_10gtypes(hw, cmd);
276 		if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_1GB_FULL) {
277 			if (ethtool_link_ksettings_test_link_mode
278 				(cmd, supported, 1000baseKX_Full))
279 				ethtool_link_ksettings_add_link_mode
280 					(cmd, advertising, 1000baseKX_Full);
281 			else
282 				ethtool_link_ksettings_add_link_mode
283 					(cmd, advertising, 1000baseT_Full);
284 		}
285 		if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_5GB_FULL)
286 			ethtool_link_ksettings_add_link_mode(cmd, advertising,
287 							     5000baseT_Full);
288 		if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_2_5GB_FULL)
289 			ethtool_link_ksettings_add_link_mode(cmd, advertising,
290 							     2500baseT_Full);
291 	} else {
292 		if (hw->phy.multispeed_fiber && !autoneg) {
293 			if (supported_link & IXGBE_LINK_SPEED_10GB_FULL)
294 				ethtool_link_ksettings_add_link_mode
295 					(cmd, advertising, 10000baseT_Full);
296 		}
297 	}
298 
299 	if (autoneg) {
300 		ethtool_link_ksettings_add_link_mode(cmd, supported, Autoneg);
301 		ethtool_link_ksettings_add_link_mode(cmd, advertising, Autoneg);
302 		cmd->base.autoneg = AUTONEG_ENABLE;
303 	} else
304 		cmd->base.autoneg = AUTONEG_DISABLE;
305 
306 	/* Determine the remaining settings based on the PHY type. */
307 	switch (adapter->hw.phy.type) {
308 	case ixgbe_phy_tn:
309 	case ixgbe_phy_aq:
310 	case ixgbe_phy_x550em_ext_t:
311 	case ixgbe_phy_fw:
312 	case ixgbe_phy_cu_unknown:
313 		ethtool_link_ksettings_add_link_mode(cmd, supported, TP);
314 		ethtool_link_ksettings_add_link_mode(cmd, advertising, TP);
315 		cmd->base.port = PORT_TP;
316 		break;
317 	case ixgbe_phy_qt:
318 		ethtool_link_ksettings_add_link_mode(cmd, supported, FIBRE);
319 		ethtool_link_ksettings_add_link_mode(cmd, advertising, FIBRE);
320 		cmd->base.port = PORT_FIBRE;
321 		break;
322 	case ixgbe_phy_nl:
323 	case ixgbe_phy_sfp_passive_tyco:
324 	case ixgbe_phy_sfp_passive_unknown:
325 	case ixgbe_phy_sfp_ftl:
326 	case ixgbe_phy_sfp_avago:
327 	case ixgbe_phy_sfp_intel:
328 	case ixgbe_phy_sfp_unknown:
329 	case ixgbe_phy_qsfp_passive_unknown:
330 	case ixgbe_phy_qsfp_active_unknown:
331 	case ixgbe_phy_qsfp_intel:
332 	case ixgbe_phy_qsfp_unknown:
333 		/* SFP+ devices, further checking needed */
334 		switch (adapter->hw.phy.sfp_type) {
335 		case ixgbe_sfp_type_da_cu:
336 		case ixgbe_sfp_type_da_cu_core0:
337 		case ixgbe_sfp_type_da_cu_core1:
338 			ethtool_link_ksettings_add_link_mode(cmd, supported,
339 							     FIBRE);
340 			ethtool_link_ksettings_add_link_mode(cmd, advertising,
341 							     FIBRE);
342 			cmd->base.port = PORT_DA;
343 			break;
344 		case ixgbe_sfp_type_sr:
345 		case ixgbe_sfp_type_lr:
346 		case ixgbe_sfp_type_srlr_core0:
347 		case ixgbe_sfp_type_srlr_core1:
348 		case ixgbe_sfp_type_1g_sx_core0:
349 		case ixgbe_sfp_type_1g_sx_core1:
350 		case ixgbe_sfp_type_1g_lx_core0:
351 		case ixgbe_sfp_type_1g_lx_core1:
352 		case ixgbe_sfp_type_1g_bx_core0:
353 		case ixgbe_sfp_type_1g_bx_core1:
354 		case ixgbe_sfp_type_10g_bx_core0:
355 		case ixgbe_sfp_type_10g_bx_core1:
356 			ethtool_link_ksettings_add_link_mode(cmd, supported,
357 							     FIBRE);
358 			ethtool_link_ksettings_add_link_mode(cmd, advertising,
359 							     FIBRE);
360 			cmd->base.port = PORT_FIBRE;
361 			break;
362 		case ixgbe_sfp_type_not_present:
363 			ethtool_link_ksettings_add_link_mode(cmd, supported,
364 							     FIBRE);
365 			ethtool_link_ksettings_add_link_mode(cmd, advertising,
366 							     FIBRE);
367 			cmd->base.port = PORT_NONE;
368 			break;
369 		case ixgbe_sfp_type_1g_cu_core0:
370 		case ixgbe_sfp_type_1g_cu_core1:
371 			ethtool_link_ksettings_add_link_mode(cmd, supported,
372 							     TP);
373 			ethtool_link_ksettings_add_link_mode(cmd, advertising,
374 							     TP);
375 			cmd->base.port = PORT_TP;
376 			break;
377 		case ixgbe_sfp_type_unknown:
378 		default:
379 			ethtool_link_ksettings_add_link_mode(cmd, supported,
380 							     FIBRE);
381 			ethtool_link_ksettings_add_link_mode(cmd, advertising,
382 							     FIBRE);
383 			cmd->base.port = PORT_OTHER;
384 			break;
385 		}
386 		break;
387 	case ixgbe_phy_xaui:
388 		ethtool_link_ksettings_add_link_mode(cmd, supported,
389 						     FIBRE);
390 		ethtool_link_ksettings_add_link_mode(cmd, advertising,
391 						     FIBRE);
392 		cmd->base.port = PORT_NONE;
393 		break;
394 	case ixgbe_phy_unknown:
395 	case ixgbe_phy_generic:
396 	case ixgbe_phy_sfp_unsupported:
397 	default:
398 		ethtool_link_ksettings_add_link_mode(cmd, supported,
399 						     FIBRE);
400 		ethtool_link_ksettings_add_link_mode(cmd, advertising,
401 						     FIBRE);
402 		cmd->base.port = PORT_OTHER;
403 		break;
404 	}
405 
406 	/* Indicate pause support */
407 	ethtool_link_ksettings_add_link_mode(cmd, supported, Pause);
408 
409 	switch (hw->fc.requested_mode) {
410 	case ixgbe_fc_full:
411 		ethtool_link_ksettings_add_link_mode(cmd, advertising, Pause);
412 		break;
413 	case ixgbe_fc_rx_pause:
414 		ethtool_link_ksettings_add_link_mode(cmd, advertising, Pause);
415 		ethtool_link_ksettings_add_link_mode(cmd, advertising,
416 						     Asym_Pause);
417 		break;
418 	case ixgbe_fc_tx_pause:
419 		ethtool_link_ksettings_add_link_mode(cmd, advertising,
420 						     Asym_Pause);
421 		break;
422 	default:
423 		ethtool_link_ksettings_del_link_mode(cmd, advertising, Pause);
424 		ethtool_link_ksettings_del_link_mode(cmd, advertising,
425 						     Asym_Pause);
426 	}
427 
428 	if (netif_carrier_ok(netdev)) {
429 		switch (adapter->link_speed) {
430 		case IXGBE_LINK_SPEED_10GB_FULL:
431 			cmd->base.speed = SPEED_10000;
432 			break;
433 		case IXGBE_LINK_SPEED_5GB_FULL:
434 			cmd->base.speed = SPEED_5000;
435 			break;
436 		case IXGBE_LINK_SPEED_2_5GB_FULL:
437 			cmd->base.speed = SPEED_2500;
438 			break;
439 		case IXGBE_LINK_SPEED_1GB_FULL:
440 			cmd->base.speed = SPEED_1000;
441 			break;
442 		case IXGBE_LINK_SPEED_100_FULL:
443 			cmd->base.speed = SPEED_100;
444 			break;
445 		case IXGBE_LINK_SPEED_10_FULL:
446 			cmd->base.speed = SPEED_10;
447 			break;
448 		default:
449 			break;
450 		}
451 		cmd->base.duplex = DUPLEX_FULL;
452 	} else {
453 		cmd->base.speed = SPEED_UNKNOWN;
454 		cmd->base.duplex = DUPLEX_UNKNOWN;
455 	}
456 
457 	return 0;
458 }
459 
ixgbe_set_link_ksettings(struct net_device * netdev,const struct ethtool_link_ksettings * cmd)460 static int ixgbe_set_link_ksettings(struct net_device *netdev,
461 				    const struct ethtool_link_ksettings *cmd)
462 {
463 	struct ixgbe_adapter *adapter = ixgbe_from_netdev(netdev);
464 	struct ixgbe_hw *hw = &adapter->hw;
465 	u32 advertised, old;
466 	int err = 0;
467 
468 	if ((hw->phy.media_type == ixgbe_media_type_copper) ||
469 	    (hw->phy.multispeed_fiber)) {
470 		/*
471 		 * this function does not support duplex forcing, but can
472 		 * limit the advertising of the adapter to the specified speed
473 		 */
474 		if (!linkmode_subset(cmd->link_modes.advertising,
475 				     cmd->link_modes.supported))
476 			return -EINVAL;
477 
478 		/* only allow one speed at a time if no autoneg */
479 		if (!cmd->base.autoneg && hw->phy.multispeed_fiber) {
480 			if (ethtool_link_ksettings_test_link_mode(cmd, advertising,
481 								  10000baseT_Full) &&
482 			    ethtool_link_ksettings_test_link_mode(cmd, advertising,
483 								  1000baseT_Full))
484 				return -EINVAL;
485 		}
486 
487 		old = hw->phy.autoneg_advertised;
488 		advertised = 0;
489 		if (ethtool_link_ksettings_test_link_mode(cmd, advertising,
490 							  10000baseT_Full))
491 			advertised |= IXGBE_LINK_SPEED_10GB_FULL;
492 		if (ethtool_link_ksettings_test_link_mode(cmd, advertising,
493 							  5000baseT_Full))
494 			advertised |= IXGBE_LINK_SPEED_5GB_FULL;
495 		if (ethtool_link_ksettings_test_link_mode(cmd, advertising,
496 							  2500baseT_Full))
497 			advertised |= IXGBE_LINK_SPEED_2_5GB_FULL;
498 		if (ethtool_link_ksettings_test_link_mode(cmd, advertising,
499 							  1000baseT_Full))
500 			advertised |= IXGBE_LINK_SPEED_1GB_FULL;
501 
502 		if (ethtool_link_ksettings_test_link_mode(cmd, advertising,
503 							  100baseT_Full))
504 			advertised |= IXGBE_LINK_SPEED_100_FULL;
505 
506 		if (ethtool_link_ksettings_test_link_mode(cmd, advertising,
507 							  10baseT_Full))
508 			advertised |= IXGBE_LINK_SPEED_10_FULL;
509 
510 		if (old == advertised)
511 			return err;
512 		/* this sets the link speed and restarts auto-neg */
513 		while (test_and_set_bit(__IXGBE_IN_SFP_INIT, &adapter->state))
514 			usleep_range(1000, 2000);
515 
516 		hw->mac.autotry_restart = true;
517 		err = hw->mac.ops.setup_link(hw, advertised, true);
518 		if (err) {
519 			e_info(probe, "setup link failed with code %d\n", err);
520 			hw->mac.ops.setup_link(hw, old, true);
521 		}
522 		clear_bit(__IXGBE_IN_SFP_INIT, &adapter->state);
523 	} else {
524 		/* in this case we currently only support 10Gb/FULL */
525 		u32 speed = cmd->base.speed;
526 
527 		if ((cmd->base.autoneg == AUTONEG_ENABLE) ||
528 		    (!ethtool_link_ksettings_test_link_mode(cmd, advertising,
529 							    10000baseT_Full)) ||
530 		    (speed + cmd->base.duplex != SPEED_10000 + DUPLEX_FULL))
531 			return -EINVAL;
532 	}
533 
534 	return err;
535 }
536 
ixgbe_get_pause_stats(struct net_device * netdev,struct ethtool_pause_stats * stats)537 static void ixgbe_get_pause_stats(struct net_device *netdev,
538 				  struct ethtool_pause_stats *stats)
539 {
540 	struct ixgbe_adapter *adapter = ixgbe_from_netdev(netdev);
541 	struct ixgbe_hw_stats *hwstats = &adapter->stats;
542 
543 	stats->tx_pause_frames = hwstats->lxontxc + hwstats->lxofftxc;
544 	stats->rx_pause_frames = hwstats->lxonrxc + hwstats->lxoffrxc;
545 }
546 
ixgbe_get_pauseparam(struct net_device * netdev,struct ethtool_pauseparam * pause)547 static void ixgbe_get_pauseparam(struct net_device *netdev,
548 				 struct ethtool_pauseparam *pause)
549 {
550 	struct ixgbe_adapter *adapter = ixgbe_from_netdev(netdev);
551 	struct ixgbe_hw *hw = &adapter->hw;
552 
553 	if (ixgbe_device_supports_autoneg_fc(hw) &&
554 	    !hw->fc.disable_fc_autoneg)
555 		pause->autoneg = 1;
556 	else
557 		pause->autoneg = 0;
558 
559 	if (hw->fc.current_mode == ixgbe_fc_rx_pause) {
560 		pause->rx_pause = 1;
561 	} else if (hw->fc.current_mode == ixgbe_fc_tx_pause) {
562 		pause->tx_pause = 1;
563 	} else if (hw->fc.current_mode == ixgbe_fc_full) {
564 		pause->rx_pause = 1;
565 		pause->tx_pause = 1;
566 	}
567 }
568 
ixgbe_set_pauseparam_finalize(struct net_device * netdev,struct ixgbe_fc_info * fc)569 static void ixgbe_set_pauseparam_finalize(struct net_device *netdev,
570 					  struct ixgbe_fc_info *fc)
571 {
572 	struct ixgbe_adapter *adapter = ixgbe_from_netdev(netdev);
573 	struct ixgbe_hw *hw = &adapter->hw;
574 
575 	/* If the thing changed then we'll update and use new autoneg. */
576 	if (memcmp(fc, &hw->fc, sizeof(*fc))) {
577 		hw->fc = *fc;
578 		if (netif_running(netdev))
579 			ixgbe_reinit_locked(adapter);
580 		else
581 			ixgbe_reset(adapter);
582 	}
583 }
584 
ixgbe_set_pauseparam(struct net_device * netdev,struct ethtool_pauseparam * pause)585 static int ixgbe_set_pauseparam(struct net_device *netdev,
586 				struct ethtool_pauseparam *pause)
587 {
588 	struct ixgbe_adapter *adapter = ixgbe_from_netdev(netdev);
589 	struct ixgbe_hw *hw = &adapter->hw;
590 	struct ixgbe_fc_info fc = hw->fc;
591 
592 	/* 82598 does no support link flow control with DCB enabled */
593 	if ((hw->mac.type == ixgbe_mac_82598EB) &&
594 	    (adapter->flags & IXGBE_FLAG_DCB_ENABLED))
595 		return -EINVAL;
596 
597 	/* some devices do not support autoneg of link flow control */
598 	if ((pause->autoneg == AUTONEG_ENABLE) &&
599 	    !ixgbe_device_supports_autoneg_fc(hw))
600 		return -EINVAL;
601 
602 	fc.disable_fc_autoneg = (pause->autoneg != AUTONEG_ENABLE);
603 
604 	if ((pause->rx_pause && pause->tx_pause) || pause->autoneg)
605 		fc.requested_mode = ixgbe_fc_full;
606 	else if (pause->rx_pause && !pause->tx_pause)
607 		fc.requested_mode = ixgbe_fc_rx_pause;
608 	else if (!pause->rx_pause && pause->tx_pause)
609 		fc.requested_mode = ixgbe_fc_tx_pause;
610 	else
611 		fc.requested_mode = ixgbe_fc_none;
612 
613 	ixgbe_set_pauseparam_finalize(netdev, &fc);
614 
615 	return 0;
616 }
617 
ixgbe_set_pauseparam_e610(struct net_device * netdev,struct ethtool_pauseparam * pause)618 static int ixgbe_set_pauseparam_e610(struct net_device *netdev,
619 				     struct ethtool_pauseparam *pause)
620 {
621 	struct ixgbe_adapter *adapter = ixgbe_from_netdev(netdev);
622 	struct ixgbe_hw *hw = &adapter->hw;
623 	struct ixgbe_fc_info fc = hw->fc;
624 
625 	if (!ixgbe_device_supports_autoneg_fc(hw))
626 		return -EOPNOTSUPP;
627 
628 	if (pause->autoneg == AUTONEG_DISABLE) {
629 		netdev_info(netdev,
630 			    "Cannot disable autonegotiation on this device.\n");
631 		return -EOPNOTSUPP;
632 	}
633 
634 	fc.disable_fc_autoneg = false;
635 
636 	if (pause->rx_pause && pause->tx_pause)
637 		fc.requested_mode = ixgbe_fc_full;
638 	else if (pause->rx_pause)
639 		fc.requested_mode = ixgbe_fc_rx_pause;
640 	else if (pause->tx_pause)
641 		fc.requested_mode = ixgbe_fc_tx_pause;
642 	else
643 		fc.requested_mode = ixgbe_fc_none;
644 
645 	ixgbe_set_pauseparam_finalize(netdev, &fc);
646 
647 	return 0;
648 }
649 
ixgbe_get_msglevel(struct net_device * netdev)650 static u32 ixgbe_get_msglevel(struct net_device *netdev)
651 {
652 	struct ixgbe_adapter *adapter = ixgbe_from_netdev(netdev);
653 	return adapter->msg_enable;
654 }
655 
ixgbe_set_msglevel(struct net_device * netdev,u32 data)656 static void ixgbe_set_msglevel(struct net_device *netdev, u32 data)
657 {
658 	struct ixgbe_adapter *adapter = ixgbe_from_netdev(netdev);
659 	adapter->msg_enable = data;
660 }
661 
ixgbe_get_regs_len(struct net_device * netdev)662 static int ixgbe_get_regs_len(struct net_device *netdev)
663 {
664 #define IXGBE_REGS_LEN  1145
665 	return IXGBE_REGS_LEN * sizeof(u32);
666 }
667 
668 #define IXGBE_GET_STAT(_A_, _R_) _A_->stats._R_
669 
ixgbe_get_regs(struct net_device * netdev,struct ethtool_regs * regs,void * p)670 static void ixgbe_get_regs(struct net_device *netdev,
671 			   struct ethtool_regs *regs, void *p)
672 {
673 	struct ixgbe_adapter *adapter = ixgbe_from_netdev(netdev);
674 	struct ixgbe_hw *hw = &adapter->hw;
675 	u32 *regs_buff = p;
676 	u8 i;
677 
678 	memset(p, 0, IXGBE_REGS_LEN * sizeof(u32));
679 
680 	regs->version = hw->mac.type << 24 | hw->revision_id << 16 |
681 			hw->device_id;
682 
683 	/* General Registers */
684 	regs_buff[0] = IXGBE_READ_REG(hw, IXGBE_CTRL);
685 	regs_buff[1] = IXGBE_READ_REG(hw, IXGBE_STATUS);
686 	regs_buff[2] = IXGBE_READ_REG(hw, IXGBE_CTRL_EXT);
687 	regs_buff[3] = IXGBE_READ_REG(hw, IXGBE_ESDP);
688 	regs_buff[4] = IXGBE_READ_REG(hw, IXGBE_EODSDP);
689 	regs_buff[5] = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
690 	regs_buff[6] = IXGBE_READ_REG(hw, IXGBE_FRTIMER);
691 	regs_buff[7] = IXGBE_READ_REG(hw, IXGBE_TCPTIMER);
692 
693 	/* NVM Register */
694 	regs_buff[8] = IXGBE_READ_REG(hw, IXGBE_EEC(hw));
695 	regs_buff[9] = IXGBE_READ_REG(hw, IXGBE_EERD);
696 	regs_buff[10] = IXGBE_READ_REG(hw, IXGBE_FLA(hw));
697 	regs_buff[11] = IXGBE_READ_REG(hw, IXGBE_EEMNGCTL);
698 	regs_buff[12] = IXGBE_READ_REG(hw, IXGBE_EEMNGDATA);
699 	regs_buff[13] = IXGBE_READ_REG(hw, IXGBE_FLMNGCTL);
700 	regs_buff[14] = IXGBE_READ_REG(hw, IXGBE_FLMNGDATA);
701 	regs_buff[15] = IXGBE_READ_REG(hw, IXGBE_FLMNGCNT);
702 	regs_buff[16] = IXGBE_READ_REG(hw, IXGBE_FLOP);
703 	regs_buff[17] = IXGBE_READ_REG(hw, IXGBE_GRC(hw));
704 
705 	/* Interrupt */
706 	/* don't read EICR because it can clear interrupt causes, instead
707 	 * read EICS which is a shadow but doesn't clear EICR */
708 	regs_buff[18] = IXGBE_READ_REG(hw, IXGBE_EICS);
709 	regs_buff[19] = IXGBE_READ_REG(hw, IXGBE_EICS);
710 	regs_buff[20] = IXGBE_READ_REG(hw, IXGBE_EIMS);
711 	regs_buff[21] = IXGBE_READ_REG(hw, IXGBE_EIMC);
712 	regs_buff[22] = IXGBE_READ_REG(hw, IXGBE_EIAC);
713 	regs_buff[23] = IXGBE_READ_REG(hw, IXGBE_EIAM);
714 	regs_buff[24] = IXGBE_READ_REG(hw, IXGBE_EITR(0));
715 	regs_buff[25] = IXGBE_READ_REG(hw, IXGBE_IVAR(0));
716 	regs_buff[26] = IXGBE_READ_REG(hw, IXGBE_MSIXT);
717 	regs_buff[27] = IXGBE_READ_REG(hw, IXGBE_MSIXPBA);
718 	regs_buff[28] = IXGBE_READ_REG(hw, IXGBE_PBACL(0));
719 	regs_buff[29] = IXGBE_READ_REG(hw, IXGBE_GPIE);
720 
721 	/* Flow Control */
722 	regs_buff[30] = IXGBE_READ_REG(hw, IXGBE_PFCTOP);
723 	for (i = 0; i < 4; i++)
724 		regs_buff[31 + i] = IXGBE_READ_REG(hw, IXGBE_FCTTV(i));
725 	for (i = 0; i < 8; i++) {
726 		switch (hw->mac.type) {
727 		case ixgbe_mac_82598EB:
728 			regs_buff[35 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTL(i));
729 			regs_buff[43 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTH(i));
730 			break;
731 		case ixgbe_mac_82599EB:
732 		case ixgbe_mac_X540:
733 		case ixgbe_mac_X550:
734 		case ixgbe_mac_X550EM_x:
735 		case ixgbe_mac_x550em_a:
736 		case ixgbe_mac_e610:
737 			regs_buff[35 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTL_82599(i));
738 			regs_buff[43 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTH_82599(i));
739 			break;
740 		default:
741 			break;
742 		}
743 	}
744 	regs_buff[51] = IXGBE_READ_REG(hw, IXGBE_FCRTV);
745 	regs_buff[52] = IXGBE_READ_REG(hw, IXGBE_TFCS);
746 
747 	/* Receive DMA */
748 	for (i = 0; i < 64; i++)
749 		regs_buff[53 + i] = IXGBE_READ_REG(hw, IXGBE_RDBAL(i));
750 	for (i = 0; i < 64; i++)
751 		regs_buff[117 + i] = IXGBE_READ_REG(hw, IXGBE_RDBAH(i));
752 	for (i = 0; i < 64; i++)
753 		regs_buff[181 + i] = IXGBE_READ_REG(hw, IXGBE_RDLEN(i));
754 	for (i = 0; i < 64; i++)
755 		regs_buff[245 + i] = IXGBE_READ_REG(hw, IXGBE_RDH(i));
756 	for (i = 0; i < 64; i++)
757 		regs_buff[309 + i] = IXGBE_READ_REG(hw, IXGBE_RDT(i));
758 	for (i = 0; i < 64; i++)
759 		regs_buff[373 + i] = IXGBE_READ_REG(hw, IXGBE_RXDCTL(i));
760 	for (i = 0; i < 16; i++)
761 		regs_buff[437 + i] = IXGBE_READ_REG(hw, IXGBE_SRRCTL(i));
762 	for (i = 0; i < 16; i++)
763 		regs_buff[453 + i] = IXGBE_READ_REG(hw, IXGBE_DCA_RXCTRL(i));
764 	regs_buff[469] = IXGBE_READ_REG(hw, IXGBE_RDRXCTL);
765 	for (i = 0; i < 8; i++)
766 		regs_buff[470 + i] = IXGBE_READ_REG(hw, IXGBE_RXPBSIZE(i));
767 	regs_buff[478] = IXGBE_READ_REG(hw, IXGBE_RXCTRL);
768 	regs_buff[479] = IXGBE_READ_REG(hw, IXGBE_DROPEN);
769 
770 	/* Receive */
771 	regs_buff[480] = IXGBE_READ_REG(hw, IXGBE_RXCSUM);
772 	regs_buff[481] = IXGBE_READ_REG(hw, IXGBE_RFCTL);
773 	for (i = 0; i < 16; i++)
774 		regs_buff[482 + i] = IXGBE_READ_REG(hw, IXGBE_RAL(i));
775 	for (i = 0; i < 16; i++)
776 		regs_buff[498 + i] = IXGBE_READ_REG(hw, IXGBE_RAH(i));
777 	regs_buff[514] = IXGBE_READ_REG(hw, IXGBE_PSRTYPE(0));
778 	regs_buff[515] = IXGBE_READ_REG(hw, IXGBE_FCTRL);
779 	regs_buff[516] = IXGBE_READ_REG(hw, IXGBE_VLNCTRL);
780 	regs_buff[517] = IXGBE_READ_REG(hw, IXGBE_MCSTCTRL);
781 	regs_buff[518] = IXGBE_READ_REG(hw, IXGBE_MRQC);
782 	regs_buff[519] = IXGBE_READ_REG(hw, IXGBE_VMD_CTL);
783 	for (i = 0; i < 8; i++)
784 		regs_buff[520 + i] = IXGBE_READ_REG(hw, IXGBE_IMIR(i));
785 	for (i = 0; i < 8; i++)
786 		regs_buff[528 + i] = IXGBE_READ_REG(hw, IXGBE_IMIREXT(i));
787 	regs_buff[536] = IXGBE_READ_REG(hw, IXGBE_IMIRVP);
788 
789 	/* Transmit */
790 	for (i = 0; i < 32; i++)
791 		regs_buff[537 + i] = IXGBE_READ_REG(hw, IXGBE_TDBAL(i));
792 	for (i = 0; i < 32; i++)
793 		regs_buff[569 + i] = IXGBE_READ_REG(hw, IXGBE_TDBAH(i));
794 	for (i = 0; i < 32; i++)
795 		regs_buff[601 + i] = IXGBE_READ_REG(hw, IXGBE_TDLEN(i));
796 	for (i = 0; i < 32; i++)
797 		regs_buff[633 + i] = IXGBE_READ_REG(hw, IXGBE_TDH(i));
798 	for (i = 0; i < 32; i++)
799 		regs_buff[665 + i] = IXGBE_READ_REG(hw, IXGBE_TDT(i));
800 	for (i = 0; i < 32; i++)
801 		regs_buff[697 + i] = IXGBE_READ_REG(hw, IXGBE_TXDCTL(i));
802 	for (i = 0; i < 32; i++)
803 		regs_buff[729 + i] = IXGBE_READ_REG(hw, IXGBE_TDWBAL(i));
804 	for (i = 0; i < 32; i++)
805 		regs_buff[761 + i] = IXGBE_READ_REG(hw, IXGBE_TDWBAH(i));
806 	regs_buff[793] = IXGBE_READ_REG(hw, IXGBE_DTXCTL);
807 	for (i = 0; i < 16; i++)
808 		regs_buff[794 + i] = IXGBE_READ_REG(hw, IXGBE_DCA_TXCTRL(i));
809 	regs_buff[810] = IXGBE_READ_REG(hw, IXGBE_TIPG);
810 	for (i = 0; i < 8; i++)
811 		regs_buff[811 + i] = IXGBE_READ_REG(hw, IXGBE_TXPBSIZE(i));
812 	regs_buff[819] = IXGBE_READ_REG(hw, IXGBE_MNGTXMAP);
813 
814 	/* Wake Up */
815 	regs_buff[820] = IXGBE_READ_REG(hw, IXGBE_WUC);
816 	regs_buff[821] = IXGBE_READ_REG(hw, IXGBE_WUFC);
817 	regs_buff[822] = IXGBE_READ_REG(hw, IXGBE_WUS);
818 	regs_buff[823] = IXGBE_READ_REG(hw, IXGBE_IPAV);
819 	regs_buff[824] = IXGBE_READ_REG(hw, IXGBE_IP4AT);
820 	regs_buff[825] = IXGBE_READ_REG(hw, IXGBE_IP6AT);
821 	regs_buff[826] = IXGBE_READ_REG(hw, IXGBE_WUPL);
822 	regs_buff[827] = IXGBE_READ_REG(hw, IXGBE_WUPM);
823 	regs_buff[828] = IXGBE_READ_REG(hw, IXGBE_FHFT(0));
824 
825 	/* DCB */
826 	regs_buff[829] = IXGBE_READ_REG(hw, IXGBE_RMCS);   /* same as FCCFG  */
827 	regs_buff[831] = IXGBE_READ_REG(hw, IXGBE_PDPMCS); /* same as RTTPCS */
828 
829 	switch (hw->mac.type) {
830 	case ixgbe_mac_82598EB:
831 		regs_buff[830] = IXGBE_READ_REG(hw, IXGBE_DPMCS);
832 		regs_buff[832] = IXGBE_READ_REG(hw, IXGBE_RUPPBMR);
833 		for (i = 0; i < 8; i++)
834 			regs_buff[833 + i] =
835 				IXGBE_READ_REG(hw, IXGBE_RT2CR(i));
836 		for (i = 0; i < 8; i++)
837 			regs_buff[841 + i] =
838 				IXGBE_READ_REG(hw, IXGBE_RT2SR(i));
839 		for (i = 0; i < 8; i++)
840 			regs_buff[849 + i] =
841 				IXGBE_READ_REG(hw, IXGBE_TDTQ2TCCR(i));
842 		for (i = 0; i < 8; i++)
843 			regs_buff[857 + i] =
844 				IXGBE_READ_REG(hw, IXGBE_TDTQ2TCSR(i));
845 		break;
846 	case ixgbe_mac_82599EB:
847 	case ixgbe_mac_X540:
848 	case ixgbe_mac_X550:
849 	case ixgbe_mac_X550EM_x:
850 	case ixgbe_mac_x550em_a:
851 		regs_buff[830] = IXGBE_READ_REG(hw, IXGBE_RTTDCS);
852 		regs_buff[832] = IXGBE_READ_REG(hw, IXGBE_RTRPCS);
853 		for (i = 0; i < 8; i++)
854 			regs_buff[833 + i] =
855 				IXGBE_READ_REG(hw, IXGBE_RTRPT4C(i));
856 		for (i = 0; i < 8; i++)
857 			regs_buff[841 + i] =
858 				IXGBE_READ_REG(hw, IXGBE_RTRPT4S(i));
859 		for (i = 0; i < 8; i++)
860 			regs_buff[849 + i] =
861 				IXGBE_READ_REG(hw, IXGBE_RTTDT2C(i));
862 		for (i = 0; i < 8; i++)
863 			regs_buff[857 + i] =
864 				IXGBE_READ_REG(hw, IXGBE_RTTDT2S(i));
865 		break;
866 	default:
867 		break;
868 	}
869 
870 	for (i = 0; i < 8; i++)
871 		regs_buff[865 + i] =
872 		IXGBE_READ_REG(hw, IXGBE_TDPT2TCCR(i)); /* same as RTTPT2C */
873 	for (i = 0; i < 8; i++)
874 		regs_buff[873 + i] =
875 		IXGBE_READ_REG(hw, IXGBE_TDPT2TCSR(i)); /* same as RTTPT2S */
876 
877 	/* Statistics */
878 	regs_buff[881] = IXGBE_GET_STAT(adapter, crcerrs);
879 	regs_buff[882] = IXGBE_GET_STAT(adapter, illerrc);
880 	regs_buff[883] = IXGBE_GET_STAT(adapter, errbc);
881 	regs_buff[884] = IXGBE_GET_STAT(adapter, mspdc);
882 	for (i = 0; i < 8; i++)
883 		regs_buff[885 + i] = IXGBE_GET_STAT(adapter, mpc[i]);
884 	regs_buff[893] = IXGBE_GET_STAT(adapter, mlfc);
885 	regs_buff[894] = IXGBE_GET_STAT(adapter, mrfc);
886 	regs_buff[895] = IXGBE_GET_STAT(adapter, rlec);
887 	regs_buff[896] = IXGBE_GET_STAT(adapter, lxontxc);
888 	regs_buff[897] = IXGBE_GET_STAT(adapter, lxonrxc);
889 	regs_buff[898] = IXGBE_GET_STAT(adapter, lxofftxc);
890 	regs_buff[899] = IXGBE_GET_STAT(adapter, lxoffrxc);
891 	for (i = 0; i < 8; i++)
892 		regs_buff[900 + i] = IXGBE_GET_STAT(adapter, pxontxc[i]);
893 	for (i = 0; i < 8; i++)
894 		regs_buff[908 + i] = IXGBE_GET_STAT(adapter, pxonrxc[i]);
895 	for (i = 0; i < 8; i++)
896 		regs_buff[916 + i] = IXGBE_GET_STAT(adapter, pxofftxc[i]);
897 	for (i = 0; i < 8; i++)
898 		regs_buff[924 + i] = IXGBE_GET_STAT(adapter, pxoffrxc[i]);
899 	regs_buff[932] = IXGBE_GET_STAT(adapter, prc64);
900 	regs_buff[933] = IXGBE_GET_STAT(adapter, prc127);
901 	regs_buff[934] = IXGBE_GET_STAT(adapter, prc255);
902 	regs_buff[935] = IXGBE_GET_STAT(adapter, prc511);
903 	regs_buff[936] = IXGBE_GET_STAT(adapter, prc1023);
904 	regs_buff[937] = IXGBE_GET_STAT(adapter, prc1522);
905 	regs_buff[938] = IXGBE_GET_STAT(adapter, gprc);
906 	regs_buff[939] = IXGBE_GET_STAT(adapter, bprc);
907 	regs_buff[940] = IXGBE_GET_STAT(adapter, mprc);
908 	regs_buff[941] = IXGBE_GET_STAT(adapter, gptc);
909 	regs_buff[942] = (u32)IXGBE_GET_STAT(adapter, gorc);
910 	regs_buff[943] = (u32)(IXGBE_GET_STAT(adapter, gorc) >> 32);
911 	regs_buff[944] = (u32)IXGBE_GET_STAT(adapter, gotc);
912 	regs_buff[945] = (u32)(IXGBE_GET_STAT(adapter, gotc) >> 32);
913 	for (i = 0; i < 8; i++)
914 		regs_buff[946 + i] = IXGBE_GET_STAT(adapter, rnbc[i]);
915 	regs_buff[954] = IXGBE_GET_STAT(adapter, ruc);
916 	regs_buff[955] = IXGBE_GET_STAT(adapter, rfc);
917 	regs_buff[956] = IXGBE_GET_STAT(adapter, roc);
918 	regs_buff[957] = IXGBE_GET_STAT(adapter, rjc);
919 	regs_buff[958] = IXGBE_GET_STAT(adapter, mngprc);
920 	regs_buff[959] = IXGBE_GET_STAT(adapter, mngpdc);
921 	regs_buff[960] = IXGBE_GET_STAT(adapter, mngptc);
922 	regs_buff[961] = (u32)IXGBE_GET_STAT(adapter, tor);
923 	regs_buff[962] = (u32)(IXGBE_GET_STAT(adapter, tor) >> 32);
924 	regs_buff[963] = IXGBE_GET_STAT(adapter, tpr);
925 	regs_buff[964] = IXGBE_GET_STAT(adapter, tpt);
926 	regs_buff[965] = IXGBE_GET_STAT(adapter, ptc64);
927 	regs_buff[966] = IXGBE_GET_STAT(adapter, ptc127);
928 	regs_buff[967] = IXGBE_GET_STAT(adapter, ptc255);
929 	regs_buff[968] = IXGBE_GET_STAT(adapter, ptc511);
930 	regs_buff[969] = IXGBE_GET_STAT(adapter, ptc1023);
931 	regs_buff[970] = IXGBE_GET_STAT(adapter, ptc1522);
932 	regs_buff[971] = IXGBE_GET_STAT(adapter, mptc);
933 	regs_buff[972] = IXGBE_GET_STAT(adapter, bptc);
934 	regs_buff[973] = IXGBE_GET_STAT(adapter, xec);
935 	for (i = 0; i < 16; i++)
936 		regs_buff[974 + i] = IXGBE_GET_STAT(adapter, qprc[i]);
937 	for (i = 0; i < 16; i++)
938 		regs_buff[990 + i] = IXGBE_GET_STAT(adapter, qptc[i]);
939 	for (i = 0; i < 16; i++)
940 		regs_buff[1006 + i] = IXGBE_GET_STAT(adapter, qbrc[i]);
941 	for (i = 0; i < 16; i++)
942 		regs_buff[1022 + i] = IXGBE_GET_STAT(adapter, qbtc[i]);
943 
944 	/* MAC */
945 	regs_buff[1038] = IXGBE_READ_REG(hw, IXGBE_PCS1GCFIG);
946 	regs_buff[1039] = IXGBE_READ_REG(hw, IXGBE_PCS1GLCTL);
947 	regs_buff[1040] = IXGBE_READ_REG(hw, IXGBE_PCS1GLSTA);
948 	regs_buff[1041] = IXGBE_READ_REG(hw, IXGBE_PCS1GDBG0);
949 	regs_buff[1042] = IXGBE_READ_REG(hw, IXGBE_PCS1GDBG1);
950 	regs_buff[1043] = IXGBE_READ_REG(hw, IXGBE_PCS1GANA);
951 	regs_buff[1044] = IXGBE_READ_REG(hw, IXGBE_PCS1GANLP);
952 	regs_buff[1045] = IXGBE_READ_REG(hw, IXGBE_PCS1GANNP);
953 	regs_buff[1046] = IXGBE_READ_REG(hw, IXGBE_PCS1GANLPNP);
954 	regs_buff[1047] = IXGBE_READ_REG(hw, IXGBE_HLREG0);
955 	regs_buff[1048] = IXGBE_READ_REG(hw, IXGBE_HLREG1);
956 	regs_buff[1049] = IXGBE_READ_REG(hw, IXGBE_PAP);
957 	regs_buff[1050] = IXGBE_READ_REG(hw, IXGBE_MACA);
958 	regs_buff[1051] = IXGBE_READ_REG(hw, IXGBE_APAE);
959 	regs_buff[1052] = IXGBE_READ_REG(hw, IXGBE_ARD);
960 	regs_buff[1053] = IXGBE_READ_REG(hw, IXGBE_AIS);
961 	regs_buff[1054] = IXGBE_READ_REG(hw, IXGBE_MSCA);
962 	regs_buff[1055] = IXGBE_READ_REG(hw, IXGBE_MSRWD);
963 	regs_buff[1056] = IXGBE_READ_REG(hw, IXGBE_MLADD);
964 	regs_buff[1057] = IXGBE_READ_REG(hw, IXGBE_MHADD);
965 	regs_buff[1058] = IXGBE_READ_REG(hw, IXGBE_TREG);
966 	regs_buff[1059] = IXGBE_READ_REG(hw, IXGBE_PCSS1);
967 	regs_buff[1060] = IXGBE_READ_REG(hw, IXGBE_PCSS2);
968 	regs_buff[1061] = IXGBE_READ_REG(hw, IXGBE_XPCSS);
969 	regs_buff[1062] = IXGBE_READ_REG(hw, IXGBE_SERDESC);
970 	regs_buff[1063] = IXGBE_READ_REG(hw, IXGBE_MACS);
971 	regs_buff[1064] = IXGBE_READ_REG(hw, IXGBE_AUTOC);
972 	regs_buff[1065] = IXGBE_READ_REG(hw, IXGBE_LINKS);
973 	regs_buff[1066] = IXGBE_READ_REG(hw, IXGBE_AUTOC2);
974 	regs_buff[1067] = IXGBE_READ_REG(hw, IXGBE_AUTOC3);
975 	regs_buff[1068] = IXGBE_READ_REG(hw, IXGBE_ANLP1);
976 	regs_buff[1069] = IXGBE_READ_REG(hw, IXGBE_ANLP2);
977 	regs_buff[1070] = IXGBE_READ_REG(hw, IXGBE_ATLASCTL);
978 
979 	/* Diagnostic */
980 	regs_buff[1071] = IXGBE_READ_REG(hw, IXGBE_RDSTATCTL);
981 	for (i = 0; i < 8; i++)
982 		regs_buff[1072 + i] = IXGBE_READ_REG(hw, IXGBE_RDSTAT(i));
983 	regs_buff[1080] = IXGBE_READ_REG(hw, IXGBE_RDHMPN);
984 	for (i = 0; i < 4; i++)
985 		regs_buff[1081 + i] = IXGBE_READ_REG(hw, IXGBE_RIC_DW(i));
986 	regs_buff[1085] = IXGBE_READ_REG(hw, IXGBE_RDPROBE);
987 	regs_buff[1086] = IXGBE_READ_REG(hw, IXGBE_TDSTATCTL);
988 	for (i = 0; i < 8; i++)
989 		regs_buff[1087 + i] = IXGBE_READ_REG(hw, IXGBE_TDSTAT(i));
990 	regs_buff[1095] = IXGBE_READ_REG(hw, IXGBE_TDHMPN);
991 	for (i = 0; i < 4; i++)
992 		regs_buff[1096 + i] = IXGBE_READ_REG(hw, IXGBE_TIC_DW(i));
993 	regs_buff[1100] = IXGBE_READ_REG(hw, IXGBE_TDPROBE);
994 	regs_buff[1101] = IXGBE_READ_REG(hw, IXGBE_TXBUFCTRL);
995 	for (i = 0; i < 4; i++)
996 		regs_buff[1102 + i] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA(i));
997 	regs_buff[1106] = IXGBE_READ_REG(hw, IXGBE_RXBUFCTRL);
998 	for (i = 0; i < 4; i++)
999 		regs_buff[1107 + i] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA(i));
1000 	for (i = 0; i < 8; i++)
1001 		regs_buff[1111 + i] = IXGBE_READ_REG(hw, IXGBE_PCIE_DIAG(i));
1002 	regs_buff[1119] = IXGBE_READ_REG(hw, IXGBE_RFVAL);
1003 	regs_buff[1120] = IXGBE_READ_REG(hw, IXGBE_MDFTC1);
1004 	regs_buff[1121] = IXGBE_READ_REG(hw, IXGBE_MDFTC2);
1005 	regs_buff[1122] = IXGBE_READ_REG(hw, IXGBE_MDFTFIFO1);
1006 	regs_buff[1123] = IXGBE_READ_REG(hw, IXGBE_MDFTFIFO2);
1007 	regs_buff[1124] = IXGBE_READ_REG(hw, IXGBE_MDFTS);
1008 	regs_buff[1125] = IXGBE_READ_REG(hw, IXGBE_PCIEECCCTL);
1009 	regs_buff[1126] = IXGBE_READ_REG(hw, IXGBE_PBTXECC);
1010 	regs_buff[1127] = IXGBE_READ_REG(hw, IXGBE_PBRXECC);
1011 
1012 	/* 82599 X540 specific registers  */
1013 	regs_buff[1128] = IXGBE_READ_REG(hw, IXGBE_MFLCN);
1014 
1015 	/* 82599 X540 specific DCB registers  */
1016 	regs_buff[1129] = IXGBE_READ_REG(hw, IXGBE_RTRUP2TC);
1017 	regs_buff[1130] = IXGBE_READ_REG(hw, IXGBE_RTTUP2TC);
1018 	for (i = 0; i < 4; i++)
1019 		regs_buff[1131 + i] = IXGBE_READ_REG(hw, IXGBE_TXLLQ(i));
1020 	regs_buff[1135] = IXGBE_READ_REG(hw, IXGBE_RTTBCNRM);
1021 					/* same as RTTQCNRM */
1022 	regs_buff[1136] = IXGBE_READ_REG(hw, IXGBE_RTTBCNRD);
1023 					/* same as RTTQCNRR */
1024 
1025 	/* X540 specific DCB registers  */
1026 	regs_buff[1137] = IXGBE_READ_REG(hw, IXGBE_RTTQCNCR);
1027 	regs_buff[1138] = IXGBE_READ_REG(hw, IXGBE_RTTQCNTG);
1028 
1029 	/* Security config registers */
1030 	regs_buff[1139] = IXGBE_READ_REG(hw, IXGBE_SECTXCTRL);
1031 	regs_buff[1140] = IXGBE_READ_REG(hw, IXGBE_SECTXSTAT);
1032 	regs_buff[1141] = IXGBE_READ_REG(hw, IXGBE_SECTXBUFFAF);
1033 	regs_buff[1142] = IXGBE_READ_REG(hw, IXGBE_SECTXMINIFG);
1034 	regs_buff[1143] = IXGBE_READ_REG(hw, IXGBE_SECRXCTRL);
1035 	regs_buff[1144] = IXGBE_READ_REG(hw, IXGBE_SECRXSTAT);
1036 }
1037 
ixgbe_get_link_ext_stats(struct net_device * netdev,struct ethtool_link_ext_stats * stats)1038 static void ixgbe_get_link_ext_stats(struct net_device *netdev,
1039 				     struct ethtool_link_ext_stats *stats)
1040 {
1041 	struct ixgbe_adapter *adapter = ixgbe_from_netdev(netdev);
1042 
1043 	stats->link_down_events = adapter->link_down_events;
1044 }
1045 
ixgbe_get_eeprom_len(struct net_device * netdev)1046 static int ixgbe_get_eeprom_len(struct net_device *netdev)
1047 {
1048 	struct ixgbe_adapter *adapter = ixgbe_from_netdev(netdev);
1049 	return adapter->hw.eeprom.word_size * 2;
1050 }
1051 
ixgbe_get_eeprom(struct net_device * netdev,struct ethtool_eeprom * eeprom,u8 * bytes)1052 static int ixgbe_get_eeprom(struct net_device *netdev,
1053 			    struct ethtool_eeprom *eeprom, u8 *bytes)
1054 {
1055 	struct ixgbe_adapter *adapter = ixgbe_from_netdev(netdev);
1056 	struct ixgbe_hw *hw = &adapter->hw;
1057 	u16 *eeprom_buff;
1058 	int first_word, last_word, eeprom_len;
1059 	int ret_val = 0;
1060 	u16 i;
1061 
1062 	if (eeprom->len == 0)
1063 		return -EINVAL;
1064 
1065 	eeprom->magic = hw->vendor_id | (hw->device_id << 16);
1066 
1067 	first_word = eeprom->offset >> 1;
1068 	last_word = (eeprom->offset + eeprom->len - 1) >> 1;
1069 	eeprom_len = last_word - first_word + 1;
1070 
1071 	eeprom_buff = kmalloc_array(eeprom_len, sizeof(u16), GFP_KERNEL);
1072 	if (!eeprom_buff)
1073 		return -ENOMEM;
1074 
1075 	ret_val = hw->eeprom.ops.read_buffer(hw, first_word, eeprom_len,
1076 					     eeprom_buff);
1077 
1078 	/* Device's eeprom is always little-endian, word addressable */
1079 	for (i = 0; i < eeprom_len; i++)
1080 		le16_to_cpus(&eeprom_buff[i]);
1081 
1082 	memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len);
1083 	kfree(eeprom_buff);
1084 
1085 	return ret_val;
1086 }
1087 
ixgbe_set_eeprom(struct net_device * netdev,struct ethtool_eeprom * eeprom,u8 * bytes)1088 static int ixgbe_set_eeprom(struct net_device *netdev,
1089 			    struct ethtool_eeprom *eeprom, u8 *bytes)
1090 {
1091 	struct ixgbe_adapter *adapter = ixgbe_from_netdev(netdev);
1092 	struct ixgbe_hw *hw = &adapter->hw;
1093 	u16 *eeprom_buff;
1094 	void *ptr;
1095 	int max_len, first_word, last_word, ret_val = 0;
1096 	u16 i;
1097 
1098 	if (eeprom->len == 0)
1099 		return -EINVAL;
1100 
1101 	if (eeprom->magic != (hw->vendor_id | (hw->device_id << 16)))
1102 		return -EINVAL;
1103 
1104 	max_len = hw->eeprom.word_size * 2;
1105 
1106 	first_word = eeprom->offset >> 1;
1107 	last_word = (eeprom->offset + eeprom->len - 1) >> 1;
1108 	eeprom_buff = kmalloc(max_len, GFP_KERNEL);
1109 	if (!eeprom_buff)
1110 		return -ENOMEM;
1111 
1112 	ptr = eeprom_buff;
1113 
1114 	if (eeprom->offset & 1) {
1115 		/*
1116 		 * need read/modify/write of first changed EEPROM word
1117 		 * only the second byte of the word is being modified
1118 		 */
1119 		ret_val = hw->eeprom.ops.read(hw, first_word, &eeprom_buff[0]);
1120 		if (ret_val)
1121 			goto err;
1122 
1123 		ptr++;
1124 	}
1125 	if ((eeprom->offset + eeprom->len) & 1) {
1126 		/*
1127 		 * need read/modify/write of last changed EEPROM word
1128 		 * only the first byte of the word is being modified
1129 		 */
1130 		ret_val = hw->eeprom.ops.read(hw, last_word,
1131 					  &eeprom_buff[last_word - first_word]);
1132 		if (ret_val)
1133 			goto err;
1134 	}
1135 
1136 	/* Device's eeprom is always little-endian, word addressable */
1137 	for (i = 0; i < last_word - first_word + 1; i++)
1138 		le16_to_cpus(&eeprom_buff[i]);
1139 
1140 	memcpy(ptr, bytes, eeprom->len);
1141 
1142 	for (i = 0; i < last_word - first_word + 1; i++)
1143 		cpu_to_le16s(&eeprom_buff[i]);
1144 
1145 	ret_val = hw->eeprom.ops.write_buffer(hw, first_word,
1146 					      last_word - first_word + 1,
1147 					      eeprom_buff);
1148 
1149 	/* Update the checksum */
1150 	if (ret_val == 0)
1151 		hw->eeprom.ops.update_checksum(hw);
1152 
1153 err:
1154 	kfree(eeprom_buff);
1155 	return ret_val;
1156 }
1157 
ixgbe_refresh_fw_version(struct ixgbe_adapter * adapter)1158 int ixgbe_refresh_fw_version(struct ixgbe_adapter *adapter)
1159 {
1160 	struct ixgbe_hw *hw = &adapter->hw;
1161 	int err;
1162 
1163 	err = ixgbe_get_flash_data(hw);
1164 	if (err)
1165 		return err;
1166 
1167 	ixgbe_set_fw_version_e610(adapter);
1168 	return 0;
1169 }
1170 
ixgbe_get_drvinfo(struct net_device * netdev,struct ethtool_drvinfo * drvinfo)1171 static void ixgbe_get_drvinfo(struct net_device *netdev,
1172 			      struct ethtool_drvinfo *drvinfo)
1173 {
1174 	struct ixgbe_adapter *adapter = ixgbe_from_netdev(netdev);
1175 
1176 	strscpy(drvinfo->driver, ixgbe_driver_name, sizeof(drvinfo->driver));
1177 
1178 	strscpy(drvinfo->fw_version, adapter->eeprom_id,
1179 		sizeof(drvinfo->fw_version));
1180 
1181 	strscpy(drvinfo->bus_info, pci_name(adapter->pdev),
1182 		sizeof(drvinfo->bus_info));
1183 
1184 	drvinfo->n_priv_flags = IXGBE_PRIV_FLAGS_STR_LEN;
1185 }
1186 
ixgbe_get_max_rxd(struct ixgbe_adapter * adapter)1187 static u32 ixgbe_get_max_rxd(struct ixgbe_adapter *adapter)
1188 {
1189 	switch (adapter->hw.mac.type) {
1190 	case ixgbe_mac_82598EB:
1191 		return IXGBE_MAX_RXD_82598;
1192 	case ixgbe_mac_82599EB:
1193 		return IXGBE_MAX_RXD_82599;
1194 	case ixgbe_mac_X540:
1195 		return IXGBE_MAX_RXD_X540;
1196 	case ixgbe_mac_X550:
1197 	case ixgbe_mac_X550EM_x:
1198 	case ixgbe_mac_x550em_a:
1199 		return IXGBE_MAX_RXD_X550;
1200 	default:
1201 		return IXGBE_MAX_RXD_82598;
1202 	}
1203 }
1204 
ixgbe_get_max_txd(struct ixgbe_adapter * adapter)1205 static u32 ixgbe_get_max_txd(struct ixgbe_adapter *adapter)
1206 {
1207 	switch (adapter->hw.mac.type) {
1208 	case ixgbe_mac_82598EB:
1209 		return IXGBE_MAX_TXD_82598;
1210 	case ixgbe_mac_82599EB:
1211 		return IXGBE_MAX_TXD_82599;
1212 	case ixgbe_mac_X540:
1213 		return IXGBE_MAX_TXD_X540;
1214 	case ixgbe_mac_X550:
1215 	case ixgbe_mac_X550EM_x:
1216 	case ixgbe_mac_x550em_a:
1217 		return IXGBE_MAX_TXD_X550;
1218 	default:
1219 		return IXGBE_MAX_TXD_82598;
1220 	}
1221 }
1222 
ixgbe_get_ringparam(struct net_device * netdev,struct ethtool_ringparam * ring,struct kernel_ethtool_ringparam * kernel_ring,struct netlink_ext_ack * extack)1223 static void ixgbe_get_ringparam(struct net_device *netdev,
1224 				struct ethtool_ringparam *ring,
1225 				struct kernel_ethtool_ringparam *kernel_ring,
1226 				struct netlink_ext_ack *extack)
1227 {
1228 	struct ixgbe_adapter *adapter = ixgbe_from_netdev(netdev);
1229 	struct ixgbe_ring *tx_ring = adapter->tx_ring[0];
1230 	struct ixgbe_ring *rx_ring = adapter->rx_ring[0];
1231 
1232 	ring->rx_max_pending = ixgbe_get_max_rxd(adapter);
1233 	ring->tx_max_pending = ixgbe_get_max_txd(adapter);
1234 	ring->rx_pending = rx_ring->count;
1235 	ring->tx_pending = tx_ring->count;
1236 }
1237 
ixgbe_set_ringparam(struct net_device * netdev,struct ethtool_ringparam * ring,struct kernel_ethtool_ringparam * kernel_ring,struct netlink_ext_ack * extack)1238 static int ixgbe_set_ringparam(struct net_device *netdev,
1239 			       struct ethtool_ringparam *ring,
1240 			       struct kernel_ethtool_ringparam *kernel_ring,
1241 			       struct netlink_ext_ack *extack)
1242 {
1243 	struct ixgbe_adapter *adapter = ixgbe_from_netdev(netdev);
1244 	struct ixgbe_ring *temp_ring;
1245 	int i, j, err = 0;
1246 	u32 new_rx_count, new_tx_count;
1247 
1248 	if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
1249 		return -EINVAL;
1250 
1251 	new_tx_count = clamp_t(u32, ring->tx_pending,
1252 			       IXGBE_MIN_TXD, ixgbe_get_max_txd(adapter));
1253 	new_tx_count = ALIGN(new_tx_count, IXGBE_REQ_TX_DESCRIPTOR_MULTIPLE);
1254 
1255 	new_rx_count = clamp_t(u32, ring->rx_pending,
1256 			       IXGBE_MIN_RXD, ixgbe_get_max_rxd(adapter));
1257 	new_rx_count = ALIGN(new_rx_count, IXGBE_REQ_RX_DESCRIPTOR_MULTIPLE);
1258 
1259 	if ((new_tx_count == adapter->tx_ring_count) &&
1260 	    (new_rx_count == adapter->rx_ring_count)) {
1261 		/* nothing to do */
1262 		return 0;
1263 	}
1264 
1265 	while (test_and_set_bit(__IXGBE_RESETTING, &adapter->state))
1266 		usleep_range(1000, 2000);
1267 
1268 	if (!netif_running(adapter->netdev)) {
1269 		for (i = 0; i < adapter->num_tx_queues; i++)
1270 			adapter->tx_ring[i]->count = new_tx_count;
1271 		for (i = 0; i < adapter->num_xdp_queues; i++)
1272 			adapter->xdp_ring[i]->count = new_tx_count;
1273 		for (i = 0; i < adapter->num_rx_queues; i++)
1274 			adapter->rx_ring[i]->count = new_rx_count;
1275 		adapter->tx_ring_count = new_tx_count;
1276 		adapter->xdp_ring_count = new_tx_count;
1277 		adapter->rx_ring_count = new_rx_count;
1278 		goto clear_reset;
1279 	}
1280 
1281 	/* allocate temporary buffer to store rings in */
1282 	i = max_t(int, adapter->num_tx_queues + adapter->num_xdp_queues,
1283 		  adapter->num_rx_queues);
1284 	temp_ring = vmalloc_array(i, sizeof(struct ixgbe_ring));
1285 
1286 	if (!temp_ring) {
1287 		err = -ENOMEM;
1288 		goto clear_reset;
1289 	}
1290 
1291 	ixgbe_down(adapter);
1292 
1293 	/*
1294 	 * Setup new Tx resources and free the old Tx resources in that order.
1295 	 * We can then assign the new resources to the rings via a memcpy.
1296 	 * The advantage to this approach is that we are guaranteed to still
1297 	 * have resources even in the case of an allocation failure.
1298 	 */
1299 	if (new_tx_count != adapter->tx_ring_count) {
1300 		for (i = 0; i < adapter->num_tx_queues; i++) {
1301 			memcpy(&temp_ring[i], adapter->tx_ring[i],
1302 			       sizeof(struct ixgbe_ring));
1303 
1304 			temp_ring[i].count = new_tx_count;
1305 			err = ixgbe_setup_tx_resources(&temp_ring[i]);
1306 			if (err) {
1307 				while (i) {
1308 					i--;
1309 					ixgbe_free_tx_resources(&temp_ring[i]);
1310 				}
1311 				goto err_setup;
1312 			}
1313 		}
1314 
1315 		for (j = 0; j < adapter->num_xdp_queues; j++, i++) {
1316 			memcpy(&temp_ring[i], adapter->xdp_ring[j],
1317 			       sizeof(struct ixgbe_ring));
1318 
1319 			temp_ring[i].count = new_tx_count;
1320 			err = ixgbe_setup_tx_resources(&temp_ring[i]);
1321 			if (err) {
1322 				while (i) {
1323 					i--;
1324 					ixgbe_free_tx_resources(&temp_ring[i]);
1325 				}
1326 				goto err_setup;
1327 			}
1328 		}
1329 
1330 		for (i = 0; i < adapter->num_tx_queues; i++) {
1331 			ixgbe_free_tx_resources(adapter->tx_ring[i]);
1332 
1333 			memcpy(adapter->tx_ring[i], &temp_ring[i],
1334 			       sizeof(struct ixgbe_ring));
1335 		}
1336 		for (j = 0; j < adapter->num_xdp_queues; j++, i++) {
1337 			ixgbe_free_tx_resources(adapter->xdp_ring[j]);
1338 
1339 			memcpy(adapter->xdp_ring[j], &temp_ring[i],
1340 			       sizeof(struct ixgbe_ring));
1341 		}
1342 
1343 		adapter->tx_ring_count = new_tx_count;
1344 	}
1345 
1346 	/* Repeat the process for the Rx rings if needed */
1347 	if (new_rx_count != adapter->rx_ring_count) {
1348 		for (i = 0; i < adapter->num_rx_queues; i++) {
1349 			memcpy(&temp_ring[i], adapter->rx_ring[i],
1350 			       sizeof(struct ixgbe_ring));
1351 
1352 			/* Clear copied XDP RX-queue info */
1353 			memset(&temp_ring[i].xdp_rxq, 0,
1354 			       sizeof(temp_ring[i].xdp_rxq));
1355 
1356 			temp_ring[i].count = new_rx_count;
1357 			err = ixgbe_setup_rx_resources(adapter, &temp_ring[i]);
1358 			if (err) {
1359 				while (i) {
1360 					i--;
1361 					ixgbe_free_rx_resources(&temp_ring[i]);
1362 				}
1363 				goto err_setup;
1364 			}
1365 
1366 		}
1367 
1368 		for (i = 0; i < adapter->num_rx_queues; i++) {
1369 			ixgbe_free_rx_resources(adapter->rx_ring[i]);
1370 
1371 			memcpy(adapter->rx_ring[i], &temp_ring[i],
1372 			       sizeof(struct ixgbe_ring));
1373 		}
1374 
1375 		adapter->rx_ring_count = new_rx_count;
1376 	}
1377 
1378 err_setup:
1379 	ixgbe_up(adapter);
1380 	vfree(temp_ring);
1381 clear_reset:
1382 	clear_bit(__IXGBE_RESETTING, &adapter->state);
1383 	return err;
1384 }
1385 
ixgbe_get_sset_count(struct net_device * netdev,int sset)1386 static int ixgbe_get_sset_count(struct net_device *netdev, int sset)
1387 {
1388 	switch (sset) {
1389 	case ETH_SS_TEST:
1390 		return IXGBE_TEST_LEN;
1391 	case ETH_SS_STATS:
1392 		return IXGBE_STATS_LEN;
1393 	case ETH_SS_PRIV_FLAGS:
1394 		return IXGBE_PRIV_FLAGS_STR_LEN;
1395 	default:
1396 		return -EOPNOTSUPP;
1397 	}
1398 }
1399 
ixgbe_get_ethtool_stats(struct net_device * netdev,struct ethtool_stats * stats,u64 * data)1400 static void ixgbe_get_ethtool_stats(struct net_device *netdev,
1401 				    struct ethtool_stats *stats, u64 *data)
1402 {
1403 	struct ixgbe_adapter *adapter = ixgbe_from_netdev(netdev);
1404 	struct rtnl_link_stats64 temp;
1405 	const struct rtnl_link_stats64 *net_stats;
1406 	unsigned int start;
1407 	struct ixgbe_ring *ring;
1408 	int i, j;
1409 	char *p = NULL;
1410 
1411 	ixgbe_update_stats(adapter);
1412 	net_stats = dev_get_stats(netdev, &temp);
1413 	for (i = 0; i < IXGBE_GLOBAL_STATS_LEN; i++) {
1414 		switch (ixgbe_gstrings_stats[i].type) {
1415 		case NETDEV_STATS:
1416 			p = (char *) net_stats +
1417 					ixgbe_gstrings_stats[i].stat_offset;
1418 			break;
1419 		case IXGBE_STATS:
1420 			p = (char *) adapter +
1421 					ixgbe_gstrings_stats[i].stat_offset;
1422 			break;
1423 		default:
1424 			data[i] = 0;
1425 			continue;
1426 		}
1427 
1428 		data[i] = (ixgbe_gstrings_stats[i].sizeof_stat ==
1429 			   sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1430 	}
1431 	for (j = 0; j < netdev->num_tx_queues; j++) {
1432 		ring = adapter->tx_ring[j];
1433 		if (!ring) {
1434 			data[i] = 0;
1435 			data[i+1] = 0;
1436 			i += 2;
1437 			continue;
1438 		}
1439 
1440 		do {
1441 			start = u64_stats_fetch_begin(&ring->syncp);
1442 			data[i]   = ring->stats.packets;
1443 			data[i+1] = ring->stats.bytes;
1444 		} while (u64_stats_fetch_retry(&ring->syncp, start));
1445 		i += 2;
1446 	}
1447 	for (j = 0; j < IXGBE_NUM_RX_QUEUES; j++) {
1448 		ring = adapter->rx_ring[j];
1449 		if (!ring) {
1450 			data[i] = 0;
1451 			data[i+1] = 0;
1452 			i += 2;
1453 			continue;
1454 		}
1455 
1456 		do {
1457 			start = u64_stats_fetch_begin(&ring->syncp);
1458 			data[i]   = ring->stats.packets;
1459 			data[i+1] = ring->stats.bytes;
1460 		} while (u64_stats_fetch_retry(&ring->syncp, start));
1461 		i += 2;
1462 	}
1463 
1464 	for (j = 0; j < IXGBE_MAX_PACKET_BUFFERS; j++) {
1465 		data[i++] = adapter->stats.pxontxc[j];
1466 		data[i++] = adapter->stats.pxofftxc[j];
1467 	}
1468 	for (j = 0; j < IXGBE_MAX_PACKET_BUFFERS; j++) {
1469 		data[i++] = adapter->stats.pxonrxc[j];
1470 		data[i++] = adapter->stats.pxoffrxc[j];
1471 	}
1472 }
1473 
ixgbe_get_strings(struct net_device * netdev,u32 stringset,u8 * data)1474 static void ixgbe_get_strings(struct net_device *netdev, u32 stringset,
1475 			      u8 *data)
1476 {
1477 	unsigned int i;
1478 	u8 *p = data;
1479 
1480 	switch (stringset) {
1481 	case ETH_SS_TEST:
1482 		for (i = 0; i < IXGBE_TEST_LEN; i++)
1483 			ethtool_puts(&p, ixgbe_gstrings_test[i]);
1484 		break;
1485 	case ETH_SS_STATS:
1486 		for (i = 0; i < IXGBE_GLOBAL_STATS_LEN; i++)
1487 			ethtool_puts(&p, ixgbe_gstrings_stats[i].stat_string);
1488 		for (i = 0; i < netdev->num_tx_queues; i++) {
1489 			ethtool_sprintf(&p, "tx_queue_%u_packets", i);
1490 			ethtool_sprintf(&p, "tx_queue_%u_bytes", i);
1491 		}
1492 		for (i = 0; i < IXGBE_NUM_RX_QUEUES; i++) {
1493 			ethtool_sprintf(&p, "rx_queue_%u_packets", i);
1494 			ethtool_sprintf(&p, "rx_queue_%u_bytes", i);
1495 		}
1496 		for (i = 0; i < IXGBE_MAX_PACKET_BUFFERS; i++) {
1497 			ethtool_sprintf(&p, "tx_pb_%u_pxon", i);
1498 			ethtool_sprintf(&p, "tx_pb_%u_pxoff", i);
1499 		}
1500 		for (i = 0; i < IXGBE_MAX_PACKET_BUFFERS; i++) {
1501 			ethtool_sprintf(&p, "rx_pb_%u_pxon", i);
1502 			ethtool_sprintf(&p, "rx_pb_%u_pxoff", i);
1503 		}
1504 		/* BUG_ON(p - data != IXGBE_STATS_LEN * ETH_GSTRING_LEN); */
1505 		break;
1506 	case ETH_SS_PRIV_FLAGS:
1507 		memcpy(data, ixgbe_priv_flags_strings,
1508 		       IXGBE_PRIV_FLAGS_STR_LEN * ETH_GSTRING_LEN);
1509 	}
1510 }
1511 
ixgbe_link_test(struct ixgbe_adapter * adapter,u64 * data)1512 static int ixgbe_link_test(struct ixgbe_adapter *adapter, u64 *data)
1513 {
1514 	struct ixgbe_hw *hw = &adapter->hw;
1515 	bool link_up;
1516 	u32 link_speed = 0;
1517 
1518 	if (ixgbe_removed(hw->hw_addr)) {
1519 		*data = 1;
1520 		return 1;
1521 	}
1522 	*data = 0;
1523 
1524 	hw->mac.ops.check_link(hw, &link_speed, &link_up, true);
1525 	if (link_up)
1526 		return *data;
1527 	else
1528 		*data = 1;
1529 	return *data;
1530 }
1531 
1532 /* ethtool register test data */
1533 struct ixgbe_reg_test {
1534 	u16 reg;
1535 	u8  array_len;
1536 	u8  test_type;
1537 	u32 mask;
1538 	u32 write;
1539 };
1540 
1541 /* In the hardware, registers are laid out either singly, in arrays
1542  * spaced 0x40 bytes apart, or in contiguous tables.  We assume
1543  * most tests take place on arrays or single registers (handled
1544  * as a single-element array) and special-case the tables.
1545  * Table tests are always pattern tests.
1546  *
1547  * We also make provision for some required setup steps by specifying
1548  * registers to be written without any read-back testing.
1549  */
1550 
1551 #define PATTERN_TEST	1
1552 #define SET_READ_TEST	2
1553 #define WRITE_NO_TEST	3
1554 #define TABLE32_TEST	4
1555 #define TABLE64_TEST_LO	5
1556 #define TABLE64_TEST_HI	6
1557 
1558 /* default 82599 register test */
1559 static const struct ixgbe_reg_test reg_test_82599[] = {
1560 	{ IXGBE_FCRTL_82599(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1561 	{ IXGBE_FCRTH_82599(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1562 	{ IXGBE_PFCTOP, 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1563 	{ IXGBE_VLNCTRL, 1, PATTERN_TEST, 0x00000000, 0x00000000 },
1564 	{ IXGBE_RDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFF80 },
1565 	{ IXGBE_RDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1566 	{ IXGBE_RDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
1567 	{ IXGBE_RXDCTL(0), 4, WRITE_NO_TEST, 0, IXGBE_RXDCTL_ENABLE },
1568 	{ IXGBE_RDT(0), 4, PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
1569 	{ IXGBE_RXDCTL(0), 4, WRITE_NO_TEST, 0, 0 },
1570 	{ IXGBE_FCRTH(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1571 	{ IXGBE_FCTTV(0), 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1572 	{ IXGBE_TDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
1573 	{ IXGBE_TDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1574 	{ IXGBE_TDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFF80 },
1575 	{ IXGBE_RXCTRL, 1, SET_READ_TEST, 0x00000001, 0x00000001 },
1576 	{ IXGBE_RAL(0), 16, TABLE64_TEST_LO, 0xFFFFFFFF, 0xFFFFFFFF },
1577 	{ IXGBE_RAL(0), 16, TABLE64_TEST_HI, 0x8001FFFF, 0x800CFFFF },
1578 	{ IXGBE_MTA(0), 128, TABLE32_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1579 	{ .reg = 0 }
1580 };
1581 
1582 /* default 82598 register test */
1583 static const struct ixgbe_reg_test reg_test_82598[] = {
1584 	{ IXGBE_FCRTL(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1585 	{ IXGBE_FCRTH(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1586 	{ IXGBE_PFCTOP, 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1587 	{ IXGBE_VLNCTRL, 1, PATTERN_TEST, 0x00000000, 0x00000000 },
1588 	{ IXGBE_RDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
1589 	{ IXGBE_RDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1590 	{ IXGBE_RDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
1591 	/* Enable all four RX queues before testing. */
1592 	{ IXGBE_RXDCTL(0), 4, WRITE_NO_TEST, 0, IXGBE_RXDCTL_ENABLE },
1593 	/* RDH is read-only for 82598, only test RDT. */
1594 	{ IXGBE_RDT(0), 4, PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
1595 	{ IXGBE_RXDCTL(0), 4, WRITE_NO_TEST, 0, 0 },
1596 	{ IXGBE_FCRTH(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1597 	{ IXGBE_FCTTV(0), 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1598 	{ IXGBE_TIPG, 1, PATTERN_TEST, 0x000000FF, 0x000000FF },
1599 	{ IXGBE_TDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
1600 	{ IXGBE_TDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1601 	{ IXGBE_TDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
1602 	{ IXGBE_RXCTRL, 1, SET_READ_TEST, 0x00000003, 0x00000003 },
1603 	{ IXGBE_DTXCTL, 1, SET_READ_TEST, 0x00000005, 0x00000005 },
1604 	{ IXGBE_RAL(0), 16, TABLE64_TEST_LO, 0xFFFFFFFF, 0xFFFFFFFF },
1605 	{ IXGBE_RAL(0), 16, TABLE64_TEST_HI, 0x800CFFFF, 0x800CFFFF },
1606 	{ IXGBE_MTA(0), 128, TABLE32_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1607 	{ .reg = 0 }
1608 };
1609 
reg_pattern_test(struct ixgbe_adapter * adapter,u64 * data,int reg,u32 mask,u32 write)1610 static bool reg_pattern_test(struct ixgbe_adapter *adapter, u64 *data, int reg,
1611 			     u32 mask, u32 write)
1612 {
1613 	u32 pat, val, before;
1614 	static const u32 test_pattern[] = {
1615 		0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF};
1616 
1617 	if (ixgbe_removed(adapter->hw.hw_addr)) {
1618 		*data = 1;
1619 		return true;
1620 	}
1621 	for (pat = 0; pat < ARRAY_SIZE(test_pattern); pat++) {
1622 		before = ixgbe_read_reg(&adapter->hw, reg);
1623 		ixgbe_write_reg(&adapter->hw, reg, test_pattern[pat] & write);
1624 		val = ixgbe_read_reg(&adapter->hw, reg);
1625 		if (val != (test_pattern[pat] & write & mask)) {
1626 			e_err(drv, "pattern test reg %04X failed: got 0x%08X expected 0x%08X\n",
1627 			      reg, val, (test_pattern[pat] & write & mask));
1628 			*data = reg;
1629 			ixgbe_write_reg(&adapter->hw, reg, before);
1630 			return true;
1631 		}
1632 		ixgbe_write_reg(&adapter->hw, reg, before);
1633 	}
1634 	return false;
1635 }
1636 
reg_set_and_check(struct ixgbe_adapter * adapter,u64 * data,int reg,u32 mask,u32 write)1637 static bool reg_set_and_check(struct ixgbe_adapter *adapter, u64 *data, int reg,
1638 			      u32 mask, u32 write)
1639 {
1640 	u32 val, before;
1641 
1642 	if (ixgbe_removed(adapter->hw.hw_addr)) {
1643 		*data = 1;
1644 		return true;
1645 	}
1646 	before = ixgbe_read_reg(&adapter->hw, reg);
1647 	ixgbe_write_reg(&adapter->hw, reg, write & mask);
1648 	val = ixgbe_read_reg(&adapter->hw, reg);
1649 	if ((write & mask) != (val & mask)) {
1650 		e_err(drv, "set/check reg %04X test failed: got 0x%08X expected 0x%08X\n",
1651 		      reg, (val & mask), (write & mask));
1652 		*data = reg;
1653 		ixgbe_write_reg(&adapter->hw, reg, before);
1654 		return true;
1655 	}
1656 	ixgbe_write_reg(&adapter->hw, reg, before);
1657 	return false;
1658 }
1659 
ixgbe_reg_test(struct ixgbe_adapter * adapter,u64 * data)1660 static int ixgbe_reg_test(struct ixgbe_adapter *adapter, u64 *data)
1661 {
1662 	const struct ixgbe_reg_test *test;
1663 	u32 value, before, after;
1664 	u32 i, toggle;
1665 
1666 	if (ixgbe_removed(adapter->hw.hw_addr)) {
1667 		e_err(drv, "Adapter removed - register test blocked\n");
1668 		*data = 1;
1669 		return 1;
1670 	}
1671 	switch (adapter->hw.mac.type) {
1672 	case ixgbe_mac_82598EB:
1673 		toggle = 0x7FFFF3FF;
1674 		test = reg_test_82598;
1675 		break;
1676 	case ixgbe_mac_82599EB:
1677 	case ixgbe_mac_X540:
1678 	case ixgbe_mac_X550:
1679 	case ixgbe_mac_X550EM_x:
1680 	case ixgbe_mac_x550em_a:
1681 	case ixgbe_mac_e610:
1682 		toggle = 0x7FFFF30F;
1683 		test = reg_test_82599;
1684 		break;
1685 	default:
1686 		*data = 1;
1687 		return 1;
1688 	}
1689 
1690 	/*
1691 	 * Because the status register is such a special case,
1692 	 * we handle it separately from the rest of the register
1693 	 * tests.  Some bits are read-only, some toggle, and some
1694 	 * are writeable on newer MACs.
1695 	 */
1696 	before = ixgbe_read_reg(&adapter->hw, IXGBE_STATUS);
1697 	value = (ixgbe_read_reg(&adapter->hw, IXGBE_STATUS) & toggle);
1698 	ixgbe_write_reg(&adapter->hw, IXGBE_STATUS, toggle);
1699 	after = ixgbe_read_reg(&adapter->hw, IXGBE_STATUS) & toggle;
1700 	if (value != after) {
1701 		e_err(drv, "failed STATUS register test got: 0x%08X expected: 0x%08X\n",
1702 		      after, value);
1703 		*data = 1;
1704 		return 1;
1705 	}
1706 	/* restore previous status */
1707 	ixgbe_write_reg(&adapter->hw, IXGBE_STATUS, before);
1708 
1709 	/*
1710 	 * Perform the remainder of the register test, looping through
1711 	 * the test table until we either fail or reach the null entry.
1712 	 */
1713 	while (test->reg) {
1714 		for (i = 0; i < test->array_len; i++) {
1715 			bool b = false;
1716 
1717 			switch (test->test_type) {
1718 			case PATTERN_TEST:
1719 				b = reg_pattern_test(adapter, data,
1720 						     test->reg + (i * 0x40),
1721 						     test->mask,
1722 						     test->write);
1723 				break;
1724 			case SET_READ_TEST:
1725 				b = reg_set_and_check(adapter, data,
1726 						      test->reg + (i * 0x40),
1727 						      test->mask,
1728 						      test->write);
1729 				break;
1730 			case WRITE_NO_TEST:
1731 				ixgbe_write_reg(&adapter->hw,
1732 						test->reg + (i * 0x40),
1733 						test->write);
1734 				break;
1735 			case TABLE32_TEST:
1736 				b = reg_pattern_test(adapter, data,
1737 						     test->reg + (i * 4),
1738 						     test->mask,
1739 						     test->write);
1740 				break;
1741 			case TABLE64_TEST_LO:
1742 				b = reg_pattern_test(adapter, data,
1743 						     test->reg + (i * 8),
1744 						     test->mask,
1745 						     test->write);
1746 				break;
1747 			case TABLE64_TEST_HI:
1748 				b = reg_pattern_test(adapter, data,
1749 						     (test->reg + 4) + (i * 8),
1750 						     test->mask,
1751 						     test->write);
1752 				break;
1753 			}
1754 			if (b)
1755 				return 1;
1756 		}
1757 		test++;
1758 	}
1759 
1760 	*data = 0;
1761 	return 0;
1762 }
1763 
ixgbe_eeprom_test(struct ixgbe_adapter * adapter,u64 * data)1764 static int ixgbe_eeprom_test(struct ixgbe_adapter *adapter, u64 *data)
1765 {
1766 	struct ixgbe_hw *hw = &adapter->hw;
1767 	if (hw->eeprom.ops.validate_checksum(hw, NULL))
1768 		*data = 1;
1769 	else
1770 		*data = 0;
1771 	return *data;
1772 }
1773 
ixgbe_test_intr(int irq,void * data)1774 static irqreturn_t ixgbe_test_intr(int irq, void *data)
1775 {
1776 	struct net_device *netdev = (struct net_device *) data;
1777 	struct ixgbe_adapter *adapter = ixgbe_from_netdev(netdev);
1778 
1779 	adapter->test_icr |= IXGBE_READ_REG(&adapter->hw, IXGBE_EICR);
1780 
1781 	return IRQ_HANDLED;
1782 }
1783 
ixgbe_intr_test(struct ixgbe_adapter * adapter,u64 * data)1784 static int ixgbe_intr_test(struct ixgbe_adapter *adapter, u64 *data)
1785 {
1786 	struct net_device *netdev = adapter->netdev;
1787 	u32 mask, i = 0, shared_int = true;
1788 	u32 irq = adapter->pdev->irq;
1789 
1790 	*data = 0;
1791 
1792 	/* Hook up test interrupt handler just for this test */
1793 	if (adapter->msix_entries) {
1794 		/* NOTE: we don't test MSI-X interrupts here, yet */
1795 		return 0;
1796 	} else if (adapter->flags & IXGBE_FLAG_MSI_ENABLED) {
1797 		shared_int = false;
1798 		if (request_irq(irq, ixgbe_test_intr, 0, netdev->name,
1799 				netdev)) {
1800 			*data = 1;
1801 			return -1;
1802 		}
1803 	} else if (!request_irq(irq, ixgbe_test_intr, IRQF_PROBE_SHARED,
1804 				netdev->name, netdev)) {
1805 		shared_int = false;
1806 	} else if (request_irq(irq, ixgbe_test_intr, IRQF_SHARED,
1807 			       netdev->name, netdev)) {
1808 		*data = 1;
1809 		return -1;
1810 	}
1811 	e_info(hw, "testing %s interrupt\n", shared_int ?
1812 	       "shared" : "unshared");
1813 
1814 	/* Disable all the interrupts */
1815 	IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC, 0xFFFFFFFF);
1816 	IXGBE_WRITE_FLUSH(&adapter->hw);
1817 	usleep_range(10000, 20000);
1818 
1819 	/* Test each interrupt */
1820 	for (; i < 10; i++) {
1821 		/* Interrupt to test */
1822 		mask = BIT(i);
1823 
1824 		if (!shared_int) {
1825 			/*
1826 			 * Disable the interrupts to be reported in
1827 			 * the cause register and then force the same
1828 			 * interrupt and see if one gets posted.  If
1829 			 * an interrupt was posted to the bus, the
1830 			 * test failed.
1831 			 */
1832 			adapter->test_icr = 0;
1833 			IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC,
1834 					~mask & 0x00007FFF);
1835 			IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS,
1836 					~mask & 0x00007FFF);
1837 			IXGBE_WRITE_FLUSH(&adapter->hw);
1838 			usleep_range(10000, 20000);
1839 
1840 			if (adapter->test_icr & mask) {
1841 				*data = 3;
1842 				break;
1843 			}
1844 		}
1845 
1846 		/*
1847 		 * Enable the interrupt to be reported in the cause
1848 		 * register and then force the same interrupt and see
1849 		 * if one gets posted.  If an interrupt was not posted
1850 		 * to the bus, the test failed.
1851 		 */
1852 		adapter->test_icr = 0;
1853 		IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMS, mask);
1854 		IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS, mask);
1855 		IXGBE_WRITE_FLUSH(&adapter->hw);
1856 		usleep_range(10000, 20000);
1857 
1858 		if (!(adapter->test_icr & mask)) {
1859 			*data = 4;
1860 			break;
1861 		}
1862 
1863 		if (!shared_int) {
1864 			/*
1865 			 * Disable the other interrupts to be reported in
1866 			 * the cause register and then force the other
1867 			 * interrupts and see if any get posted.  If
1868 			 * an interrupt was posted to the bus, the
1869 			 * test failed.
1870 			 */
1871 			adapter->test_icr = 0;
1872 			IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC,
1873 					~mask & 0x00007FFF);
1874 			IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS,
1875 					~mask & 0x00007FFF);
1876 			IXGBE_WRITE_FLUSH(&adapter->hw);
1877 			usleep_range(10000, 20000);
1878 
1879 			if (adapter->test_icr) {
1880 				*data = 5;
1881 				break;
1882 			}
1883 		}
1884 	}
1885 
1886 	/* Disable all the interrupts */
1887 	IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC, 0xFFFFFFFF);
1888 	IXGBE_WRITE_FLUSH(&adapter->hw);
1889 	usleep_range(10000, 20000);
1890 
1891 	/* Unhook test interrupt handler */
1892 	free_irq(irq, netdev);
1893 
1894 	return *data;
1895 }
1896 
ixgbe_free_desc_rings(struct ixgbe_adapter * adapter)1897 static void ixgbe_free_desc_rings(struct ixgbe_adapter *adapter)
1898 {
1899 	/* Shut down the DMA engines now so they can be reinitialized later,
1900 	 * since the test rings and normally used rings should overlap on
1901 	 * queue 0 we can just use the standard disable Rx/Tx calls and they
1902 	 * will take care of disabling the test rings for us.
1903 	 */
1904 
1905 	/* first Rx */
1906 	ixgbe_disable_rx(adapter);
1907 
1908 	/* now Tx */
1909 	ixgbe_disable_tx(adapter);
1910 
1911 	ixgbe_reset(adapter);
1912 
1913 	ixgbe_free_tx_resources(&adapter->test_tx_ring);
1914 	ixgbe_free_rx_resources(&adapter->test_rx_ring);
1915 }
1916 
ixgbe_setup_desc_rings(struct ixgbe_adapter * adapter)1917 static int ixgbe_setup_desc_rings(struct ixgbe_adapter *adapter)
1918 {
1919 	struct ixgbe_ring *tx_ring = &adapter->test_tx_ring;
1920 	struct ixgbe_ring *rx_ring = &adapter->test_rx_ring;
1921 	struct ixgbe_hw *hw = &adapter->hw;
1922 	u32 rctl, reg_data;
1923 	int ret_val;
1924 	int err;
1925 
1926 	/* Setup Tx descriptor ring and Tx buffers */
1927 	tx_ring->count = IXGBE_DEFAULT_TXD;
1928 	tx_ring->queue_index = 0;
1929 	tx_ring->dev = &adapter->pdev->dev;
1930 	tx_ring->netdev = adapter->netdev;
1931 	tx_ring->reg_idx = adapter->tx_ring[0]->reg_idx;
1932 
1933 	err = ixgbe_setup_tx_resources(tx_ring);
1934 	if (err)
1935 		return 1;
1936 
1937 	switch (adapter->hw.mac.type) {
1938 	case ixgbe_mac_82599EB:
1939 	case ixgbe_mac_X540:
1940 	case ixgbe_mac_X550:
1941 	case ixgbe_mac_X550EM_x:
1942 	case ixgbe_mac_x550em_a:
1943 	case ixgbe_mac_e610:
1944 		reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_DMATXCTL);
1945 		reg_data |= IXGBE_DMATXCTL_TE;
1946 		IXGBE_WRITE_REG(&adapter->hw, IXGBE_DMATXCTL, reg_data);
1947 		break;
1948 	default:
1949 		break;
1950 	}
1951 
1952 	ixgbe_configure_tx_ring(adapter, tx_ring);
1953 
1954 	/* Setup Rx Descriptor ring and Rx buffers */
1955 	rx_ring->count = IXGBE_DEFAULT_RXD;
1956 	rx_ring->queue_index = 0;
1957 	rx_ring->dev = &adapter->pdev->dev;
1958 	rx_ring->netdev = adapter->netdev;
1959 	rx_ring->reg_idx = adapter->rx_ring[0]->reg_idx;
1960 
1961 	err = ixgbe_setup_rx_resources(adapter, rx_ring);
1962 	if (err) {
1963 		ret_val = 4;
1964 		goto err_nomem;
1965 	}
1966 
1967 	hw->mac.ops.disable_rx(hw);
1968 
1969 	ixgbe_configure_rx_ring(adapter, rx_ring);
1970 
1971 	rctl = IXGBE_READ_REG(&adapter->hw, IXGBE_RXCTRL);
1972 	rctl |= IXGBE_RXCTRL_DMBYPS;
1973 	IXGBE_WRITE_REG(&adapter->hw, IXGBE_RXCTRL, rctl);
1974 
1975 	hw->mac.ops.enable_rx(hw);
1976 
1977 	return 0;
1978 
1979 err_nomem:
1980 	ixgbe_free_desc_rings(adapter);
1981 	return ret_val;
1982 }
1983 
ixgbe_setup_loopback_test(struct ixgbe_adapter * adapter)1984 static int ixgbe_setup_loopback_test(struct ixgbe_adapter *adapter)
1985 {
1986 	struct ixgbe_hw *hw = &adapter->hw;
1987 	u32 reg_data;
1988 
1989 
1990 	/* Setup MAC loopback */
1991 	reg_data = IXGBE_READ_REG(hw, IXGBE_HLREG0);
1992 	reg_data |= IXGBE_HLREG0_LPBK;
1993 	IXGBE_WRITE_REG(hw, IXGBE_HLREG0, reg_data);
1994 
1995 	reg_data = IXGBE_READ_REG(hw, IXGBE_FCTRL);
1996 	reg_data |= IXGBE_FCTRL_BAM | IXGBE_FCTRL_SBP | IXGBE_FCTRL_MPE;
1997 	IXGBE_WRITE_REG(hw, IXGBE_FCTRL, reg_data);
1998 
1999 	/* X540 and X550 needs to set the MACC.FLU bit to force link up */
2000 	switch (adapter->hw.mac.type) {
2001 	case ixgbe_mac_X540:
2002 	case ixgbe_mac_X550:
2003 	case ixgbe_mac_X550EM_x:
2004 	case ixgbe_mac_x550em_a:
2005 	case ixgbe_mac_e610:
2006 		reg_data = IXGBE_READ_REG(hw, IXGBE_MACC);
2007 		reg_data |= IXGBE_MACC_FLU;
2008 		IXGBE_WRITE_REG(hw, IXGBE_MACC, reg_data);
2009 		break;
2010 	default:
2011 		if (hw->mac.orig_autoc) {
2012 			reg_data = hw->mac.orig_autoc | IXGBE_AUTOC_FLU;
2013 			IXGBE_WRITE_REG(hw, IXGBE_AUTOC, reg_data);
2014 		} else {
2015 			return 10;
2016 		}
2017 	}
2018 	IXGBE_WRITE_FLUSH(hw);
2019 	usleep_range(10000, 20000);
2020 
2021 	/* Disable Atlas Tx lanes; re-enabled in reset path */
2022 	if (hw->mac.type == ixgbe_mac_82598EB) {
2023 		u8 atlas;
2024 
2025 		hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_LPBK, &atlas);
2026 		atlas |= IXGBE_ATLAS_PDN_TX_REG_EN;
2027 		hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_LPBK, atlas);
2028 
2029 		hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_10G, &atlas);
2030 		atlas |= IXGBE_ATLAS_PDN_TX_10G_QL_ALL;
2031 		hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_10G, atlas);
2032 
2033 		hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_1G, &atlas);
2034 		atlas |= IXGBE_ATLAS_PDN_TX_1G_QL_ALL;
2035 		hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_1G, atlas);
2036 
2037 		hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_AN, &atlas);
2038 		atlas |= IXGBE_ATLAS_PDN_TX_AN_QL_ALL;
2039 		hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_AN, atlas);
2040 	}
2041 
2042 	return 0;
2043 }
2044 
ixgbe_loopback_cleanup(struct ixgbe_adapter * adapter)2045 static void ixgbe_loopback_cleanup(struct ixgbe_adapter *adapter)
2046 {
2047 	u32 reg_data;
2048 
2049 	reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_HLREG0);
2050 	reg_data &= ~IXGBE_HLREG0_LPBK;
2051 	IXGBE_WRITE_REG(&adapter->hw, IXGBE_HLREG0, reg_data);
2052 }
2053 
ixgbe_create_lbtest_frame(struct sk_buff * skb,unsigned int frame_size)2054 static void ixgbe_create_lbtest_frame(struct sk_buff *skb,
2055 				      unsigned int frame_size)
2056 {
2057 	memset(skb->data, 0xFF, frame_size);
2058 	frame_size >>= 1;
2059 	memset(&skb->data[frame_size], 0xAA, frame_size / 2 - 1);
2060 	skb->data[frame_size + 10] = 0xBE;
2061 	skb->data[frame_size + 12] = 0xAF;
2062 }
2063 
ixgbe_check_lbtest_frame(struct ixgbe_rx_buffer * rx_buffer,unsigned int frame_size)2064 static bool ixgbe_check_lbtest_frame(struct ixgbe_rx_buffer *rx_buffer,
2065 				     unsigned int frame_size)
2066 {
2067 	unsigned char *data;
2068 
2069 	frame_size >>= 1;
2070 
2071 	data = page_address(rx_buffer->page) + rx_buffer->page_offset;
2072 
2073 	return data[3] == 0xFF && data[frame_size + 10] == 0xBE &&
2074 		data[frame_size + 12] == 0xAF;
2075 }
2076 
ixgbe_clean_test_rings(struct ixgbe_ring * rx_ring,struct ixgbe_ring * tx_ring,unsigned int size)2077 static u16 ixgbe_clean_test_rings(struct ixgbe_ring *rx_ring,
2078 				  struct ixgbe_ring *tx_ring,
2079 				  unsigned int size)
2080 {
2081 	union ixgbe_adv_rx_desc *rx_desc;
2082 	u16 rx_ntc, tx_ntc, count = 0;
2083 
2084 	/* initialize next to clean and descriptor values */
2085 	rx_ntc = rx_ring->next_to_clean;
2086 	tx_ntc = tx_ring->next_to_clean;
2087 	rx_desc = IXGBE_RX_DESC(rx_ring, rx_ntc);
2088 
2089 	while (tx_ntc != tx_ring->next_to_use) {
2090 		union ixgbe_adv_tx_desc *tx_desc;
2091 		struct ixgbe_tx_buffer *tx_buffer;
2092 
2093 		tx_desc = IXGBE_TX_DESC(tx_ring, tx_ntc);
2094 
2095 		/* if DD is not set transmit has not completed */
2096 		if (!(tx_desc->wb.status & cpu_to_le32(IXGBE_TXD_STAT_DD)))
2097 			return count;
2098 
2099 		/* unmap buffer on Tx side */
2100 		tx_buffer = &tx_ring->tx_buffer_info[tx_ntc];
2101 
2102 		/* Free all the Tx ring sk_buffs */
2103 		dev_kfree_skb_any(tx_buffer->skb);
2104 
2105 		/* unmap skb header data */
2106 		dma_unmap_single(tx_ring->dev,
2107 				 dma_unmap_addr(tx_buffer, dma),
2108 				 dma_unmap_len(tx_buffer, len),
2109 				 DMA_TO_DEVICE);
2110 		dma_unmap_len_set(tx_buffer, len, 0);
2111 
2112 		/* increment Tx next to clean counter */
2113 		tx_ntc++;
2114 		if (tx_ntc == tx_ring->count)
2115 			tx_ntc = 0;
2116 	}
2117 
2118 	while (rx_desc->wb.upper.length) {
2119 		struct ixgbe_rx_buffer *rx_buffer;
2120 
2121 		/* check Rx buffer */
2122 		rx_buffer = &rx_ring->rx_buffer_info[rx_ntc];
2123 
2124 		/* sync Rx buffer for CPU read */
2125 		dma_sync_single_for_cpu(rx_ring->dev,
2126 					rx_buffer->dma,
2127 					ixgbe_rx_bufsz(rx_ring),
2128 					DMA_FROM_DEVICE);
2129 
2130 		/* verify contents of skb */
2131 		if (ixgbe_check_lbtest_frame(rx_buffer, size))
2132 			count++;
2133 		else
2134 			break;
2135 
2136 		/* sync Rx buffer for device write */
2137 		dma_sync_single_for_device(rx_ring->dev,
2138 					   rx_buffer->dma,
2139 					   ixgbe_rx_bufsz(rx_ring),
2140 					   DMA_FROM_DEVICE);
2141 
2142 		/* increment Rx next to clean counter */
2143 		rx_ntc++;
2144 		if (rx_ntc == rx_ring->count)
2145 			rx_ntc = 0;
2146 
2147 		/* fetch next descriptor */
2148 		rx_desc = IXGBE_RX_DESC(rx_ring, rx_ntc);
2149 	}
2150 
2151 	netdev_tx_reset_queue(txring_txq(tx_ring));
2152 
2153 	/* re-map buffers to ring, store next to clean values */
2154 	ixgbe_alloc_rx_buffers(rx_ring, count);
2155 	rx_ring->next_to_clean = rx_ntc;
2156 	tx_ring->next_to_clean = tx_ntc;
2157 
2158 	return count;
2159 }
2160 
ixgbe_run_loopback_test(struct ixgbe_adapter * adapter)2161 static int ixgbe_run_loopback_test(struct ixgbe_adapter *adapter)
2162 {
2163 	struct ixgbe_ring *tx_ring = &adapter->test_tx_ring;
2164 	struct ixgbe_ring *rx_ring = &adapter->test_rx_ring;
2165 	int i, j, lc, good_cnt, ret_val = 0;
2166 	unsigned int size = 1024;
2167 	netdev_tx_t tx_ret_val;
2168 	struct sk_buff *skb;
2169 	u32 flags_orig = adapter->flags;
2170 
2171 	/* DCB can modify the frames on Tx */
2172 	adapter->flags &= ~IXGBE_FLAG_DCB_ENABLED;
2173 
2174 	/* allocate test skb */
2175 	skb = alloc_skb(size, GFP_KERNEL);
2176 	if (!skb)
2177 		return 11;
2178 
2179 	/* place data into test skb */
2180 	ixgbe_create_lbtest_frame(skb, size);
2181 	skb_put(skb, size);
2182 
2183 	/*
2184 	 * Calculate the loop count based on the largest descriptor ring
2185 	 * The idea is to wrap the largest ring a number of times using 64
2186 	 * send/receive pairs during each loop
2187 	 */
2188 
2189 	if (rx_ring->count <= tx_ring->count)
2190 		lc = ((tx_ring->count / 64) * 2) + 1;
2191 	else
2192 		lc = ((rx_ring->count / 64) * 2) + 1;
2193 
2194 	for (j = 0; j <= lc; j++) {
2195 		/* reset count of good packets */
2196 		good_cnt = 0;
2197 
2198 		/* place 64 packets on the transmit queue*/
2199 		for (i = 0; i < 64; i++) {
2200 			skb_get(skb);
2201 			tx_ret_val = ixgbe_xmit_frame_ring(skb,
2202 							   adapter,
2203 							   tx_ring);
2204 			if (tx_ret_val == NETDEV_TX_OK)
2205 				good_cnt++;
2206 		}
2207 
2208 		if (good_cnt != 64) {
2209 			ret_val = 12;
2210 			break;
2211 		}
2212 
2213 		/* allow 200 milliseconds for packets to go from Tx to Rx */
2214 		msleep(200);
2215 
2216 		good_cnt = ixgbe_clean_test_rings(rx_ring, tx_ring, size);
2217 		if (good_cnt != 64) {
2218 			ret_val = 13;
2219 			break;
2220 		}
2221 	}
2222 
2223 	/* free the original skb */
2224 	kfree_skb(skb);
2225 	adapter->flags = flags_orig;
2226 
2227 	return ret_val;
2228 }
2229 
ixgbe_loopback_test(struct ixgbe_adapter * adapter,u64 * data)2230 static int ixgbe_loopback_test(struct ixgbe_adapter *adapter, u64 *data)
2231 {
2232 	*data = ixgbe_setup_desc_rings(adapter);
2233 	if (*data)
2234 		goto out;
2235 	*data = ixgbe_setup_loopback_test(adapter);
2236 	if (*data)
2237 		goto err_loopback;
2238 	*data = ixgbe_run_loopback_test(adapter);
2239 	ixgbe_loopback_cleanup(adapter);
2240 
2241 err_loopback:
2242 	ixgbe_free_desc_rings(adapter);
2243 out:
2244 	return *data;
2245 }
2246 
ixgbe_diag_test(struct net_device * netdev,struct ethtool_test * eth_test,u64 * data)2247 static void ixgbe_diag_test(struct net_device *netdev,
2248 			    struct ethtool_test *eth_test, u64 *data)
2249 {
2250 	struct ixgbe_adapter *adapter = ixgbe_from_netdev(netdev);
2251 	bool if_running = netif_running(netdev);
2252 
2253 	if (ixgbe_removed(adapter->hw.hw_addr)) {
2254 		e_err(hw, "Adapter removed - test blocked\n");
2255 		data[0] = 1;
2256 		data[1] = 1;
2257 		data[2] = 1;
2258 		data[3] = 1;
2259 		data[4] = 1;
2260 		eth_test->flags |= ETH_TEST_FL_FAILED;
2261 		return;
2262 	}
2263 	set_bit(__IXGBE_TESTING, &adapter->state);
2264 	if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
2265 		struct ixgbe_hw *hw = &adapter->hw;
2266 
2267 		if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED) {
2268 			int i;
2269 			for (i = 0; i < adapter->num_vfs; i++) {
2270 				if (adapter->vfinfo[i].clear_to_send) {
2271 					netdev_warn(netdev, "offline diagnostic is not supported when VFs are present\n");
2272 					data[0] = 1;
2273 					data[1] = 1;
2274 					data[2] = 1;
2275 					data[3] = 1;
2276 					data[4] = 1;
2277 					eth_test->flags |= ETH_TEST_FL_FAILED;
2278 					clear_bit(__IXGBE_TESTING,
2279 						  &adapter->state);
2280 					return;
2281 				}
2282 			}
2283 		}
2284 
2285 		/* Offline tests */
2286 		e_info(hw, "offline testing starting\n");
2287 
2288 		/* Link test performed before hardware reset so autoneg doesn't
2289 		 * interfere with test result
2290 		 */
2291 		if (ixgbe_link_test(adapter, &data[4]))
2292 			eth_test->flags |= ETH_TEST_FL_FAILED;
2293 
2294 		if (if_running)
2295 			/* indicate we're in test mode */
2296 			ixgbe_close(netdev);
2297 		else
2298 			ixgbe_reset(adapter);
2299 
2300 		e_info(hw, "register testing starting\n");
2301 		if (ixgbe_reg_test(adapter, &data[0]))
2302 			eth_test->flags |= ETH_TEST_FL_FAILED;
2303 
2304 		ixgbe_reset(adapter);
2305 		e_info(hw, "eeprom testing starting\n");
2306 		if (ixgbe_eeprom_test(adapter, &data[1]))
2307 			eth_test->flags |= ETH_TEST_FL_FAILED;
2308 
2309 		ixgbe_reset(adapter);
2310 		e_info(hw, "interrupt testing starting\n");
2311 		if (ixgbe_intr_test(adapter, &data[2]))
2312 			eth_test->flags |= ETH_TEST_FL_FAILED;
2313 
2314 		/* If SRIOV or VMDq is enabled then skip MAC
2315 		 * loopback diagnostic. */
2316 		if (adapter->flags & (IXGBE_FLAG_SRIOV_ENABLED |
2317 				      IXGBE_FLAG_VMDQ_ENABLED)) {
2318 			e_info(hw, "Skip MAC loopback diagnostic in VT mode\n");
2319 			data[3] = 0;
2320 			goto skip_loopback;
2321 		}
2322 
2323 		ixgbe_reset(adapter);
2324 		e_info(hw, "loopback testing starting\n");
2325 		if (ixgbe_loopback_test(adapter, &data[3]))
2326 			eth_test->flags |= ETH_TEST_FL_FAILED;
2327 
2328 skip_loopback:
2329 		ixgbe_reset(adapter);
2330 
2331 		/* clear testing bit and return adapter to previous state */
2332 		clear_bit(__IXGBE_TESTING, &adapter->state);
2333 		if (if_running)
2334 			ixgbe_open(netdev);
2335 		else if (hw->mac.ops.disable_tx_laser)
2336 			hw->mac.ops.disable_tx_laser(hw);
2337 	} else {
2338 		e_info(hw, "online testing starting\n");
2339 
2340 		/* Online tests */
2341 		if (ixgbe_link_test(adapter, &data[4]))
2342 			eth_test->flags |= ETH_TEST_FL_FAILED;
2343 
2344 		/* Offline tests aren't run; pass by default */
2345 		data[0] = 0;
2346 		data[1] = 0;
2347 		data[2] = 0;
2348 		data[3] = 0;
2349 
2350 		clear_bit(__IXGBE_TESTING, &adapter->state);
2351 	}
2352 }
2353 
ixgbe_wol_exclusion(struct ixgbe_adapter * adapter,struct ethtool_wolinfo * wol)2354 static int ixgbe_wol_exclusion(struct ixgbe_adapter *adapter,
2355 			       struct ethtool_wolinfo *wol)
2356 {
2357 	struct ixgbe_hw *hw = &adapter->hw;
2358 	int retval = 0;
2359 
2360 	/* WOL not supported for all devices */
2361 	if (!ixgbe_wol_supported(adapter, hw->device_id,
2362 				 hw->subsystem_device_id)) {
2363 		retval = 1;
2364 		wol->supported = 0;
2365 	}
2366 
2367 	return retval;
2368 }
2369 
ixgbe_get_wol(struct net_device * netdev,struct ethtool_wolinfo * wol)2370 static void ixgbe_get_wol(struct net_device *netdev,
2371 			  struct ethtool_wolinfo *wol)
2372 {
2373 	struct ixgbe_adapter *adapter = ixgbe_from_netdev(netdev);
2374 
2375 	wol->supported = WAKE_UCAST | WAKE_MCAST |
2376 			 WAKE_BCAST | WAKE_MAGIC;
2377 	wol->wolopts = 0;
2378 
2379 	if (ixgbe_wol_exclusion(adapter, wol) ||
2380 	    !device_can_wakeup(&adapter->pdev->dev))
2381 		return;
2382 
2383 	if (adapter->wol & IXGBE_WUFC_EX)
2384 		wol->wolopts |= WAKE_UCAST;
2385 	if (adapter->wol & IXGBE_WUFC_MC)
2386 		wol->wolopts |= WAKE_MCAST;
2387 	if (adapter->wol & IXGBE_WUFC_BC)
2388 		wol->wolopts |= WAKE_BCAST;
2389 	if (adapter->wol & IXGBE_WUFC_MAG)
2390 		wol->wolopts |= WAKE_MAGIC;
2391 }
2392 
ixgbe_set_wol(struct net_device * netdev,struct ethtool_wolinfo * wol)2393 static int ixgbe_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
2394 {
2395 	struct ixgbe_adapter *adapter = ixgbe_from_netdev(netdev);
2396 
2397 	if (wol->wolopts & (WAKE_PHY | WAKE_ARP | WAKE_MAGICSECURE |
2398 			    WAKE_FILTER))
2399 		return -EOPNOTSUPP;
2400 
2401 	if (ixgbe_wol_exclusion(adapter, wol))
2402 		return wol->wolopts ? -EOPNOTSUPP : 0;
2403 
2404 	adapter->wol = 0;
2405 
2406 	if (wol->wolopts & WAKE_UCAST)
2407 		adapter->wol |= IXGBE_WUFC_EX;
2408 	if (wol->wolopts & WAKE_MCAST)
2409 		adapter->wol |= IXGBE_WUFC_MC;
2410 	if (wol->wolopts & WAKE_BCAST)
2411 		adapter->wol |= IXGBE_WUFC_BC;
2412 	if (wol->wolopts & WAKE_MAGIC)
2413 		adapter->wol |= IXGBE_WUFC_MAG;
2414 
2415 	device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
2416 
2417 	return 0;
2418 }
2419 
ixgbe_set_wol_acpi(struct net_device * netdev,struct ethtool_wolinfo * wol)2420 static int ixgbe_set_wol_acpi(struct net_device *netdev,
2421 			      struct ethtool_wolinfo *wol)
2422 {
2423 	struct ixgbe_adapter *adapter = ixgbe_from_netdev(netdev);
2424 	struct ixgbe_hw *hw = &adapter->hw;
2425 	u32 grc;
2426 
2427 	if (ixgbe_wol_exclusion(adapter, wol))
2428 		return wol->wolopts ? -EOPNOTSUPP : 0;
2429 
2430 	/* disable APM wakeup */
2431 	grc = IXGBE_READ_REG(hw, IXGBE_GRC_X550EM_a);
2432 	grc &= ~IXGBE_GRC_APME;
2433 	IXGBE_WRITE_REG(hw, IXGBE_GRC_X550EM_a, grc);
2434 
2435 	/* erase existing filters */
2436 	IXGBE_WRITE_REG(hw, IXGBE_WUFC, 0);
2437 	adapter->wol = 0;
2438 
2439 	if (wol->wolopts & WAKE_UCAST)
2440 		adapter->wol |= IXGBE_WUFC_EX;
2441 	if (wol->wolopts & WAKE_MCAST)
2442 		adapter->wol |= IXGBE_WUFC_MC;
2443 	if (wol->wolopts & WAKE_BCAST)
2444 		adapter->wol |= IXGBE_WUFC_BC;
2445 
2446 	IXGBE_WRITE_REG(hw, IXGBE_WUC, IXGBE_WUC_PME_EN);
2447 	IXGBE_WRITE_REG(hw, IXGBE_WUFC, adapter->wol);
2448 
2449 	hw->wol_enabled = adapter->wol;
2450 	device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
2451 
2452 	return 0;
2453 }
2454 
ixgbe_set_wol_e610(struct net_device * netdev,struct ethtool_wolinfo * wol)2455 static int ixgbe_set_wol_e610(struct net_device *netdev,
2456 			      struct ethtool_wolinfo *wol)
2457 {
2458 	if (wol->wolopts & (WAKE_UCAST | WAKE_MCAST | WAKE_BCAST))
2459 		return ixgbe_set_wol_acpi(netdev, wol);
2460 	else
2461 		return ixgbe_set_wol(netdev, wol);
2462 }
2463 
ixgbe_nway_reset(struct net_device * netdev)2464 static int ixgbe_nway_reset(struct net_device *netdev)
2465 {
2466 	struct ixgbe_adapter *adapter = ixgbe_from_netdev(netdev);
2467 
2468 	if (netif_running(netdev))
2469 		ixgbe_reinit_locked(adapter);
2470 
2471 	return 0;
2472 }
2473 
ixgbe_set_phys_id(struct net_device * netdev,enum ethtool_phys_id_state state)2474 static int ixgbe_set_phys_id(struct net_device *netdev,
2475 			     enum ethtool_phys_id_state state)
2476 {
2477 	struct ixgbe_adapter *adapter = ixgbe_from_netdev(netdev);
2478 	struct ixgbe_hw *hw = &adapter->hw;
2479 
2480 	if (!hw->mac.ops.led_on || !hw->mac.ops.led_off)
2481 		return -EOPNOTSUPP;
2482 
2483 	switch (state) {
2484 	case ETHTOOL_ID_ACTIVE:
2485 		adapter->led_reg = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
2486 		return 2;
2487 
2488 	case ETHTOOL_ID_ON:
2489 		hw->mac.ops.led_on(hw, hw->mac.led_link_act);
2490 		break;
2491 
2492 	case ETHTOOL_ID_OFF:
2493 		hw->mac.ops.led_off(hw, hw->mac.led_link_act);
2494 		break;
2495 
2496 	case ETHTOOL_ID_INACTIVE:
2497 		/* Restore LED settings */
2498 		IXGBE_WRITE_REG(&adapter->hw, IXGBE_LEDCTL, adapter->led_reg);
2499 		break;
2500 	}
2501 
2502 	return 0;
2503 }
2504 
ixgbe_set_phys_id_e610(struct net_device * netdev,enum ethtool_phys_id_state state)2505 static int ixgbe_set_phys_id_e610(struct net_device *netdev,
2506 				  enum ethtool_phys_id_state state)
2507 {
2508 	struct ixgbe_adapter *adapter = ixgbe_from_netdev(netdev);
2509 	bool led_active;
2510 
2511 	switch (state) {
2512 	case ETHTOOL_ID_ACTIVE:
2513 		led_active = true;
2514 		break;
2515 	case ETHTOOL_ID_INACTIVE:
2516 		led_active = false;
2517 		break;
2518 	default:
2519 		return -EOPNOTSUPP;
2520 	}
2521 
2522 	return ixgbe_aci_set_port_id_led(&adapter->hw, !led_active);
2523 }
2524 
ixgbe_get_coalesce(struct net_device * netdev,struct ethtool_coalesce * ec,struct kernel_ethtool_coalesce * kernel_coal,struct netlink_ext_ack * extack)2525 static int ixgbe_get_coalesce(struct net_device *netdev,
2526 			      struct ethtool_coalesce *ec,
2527 			      struct kernel_ethtool_coalesce *kernel_coal,
2528 			      struct netlink_ext_ack *extack)
2529 {
2530 	struct ixgbe_adapter *adapter = ixgbe_from_netdev(netdev);
2531 
2532 	/* only valid if in constant ITR mode */
2533 	if (adapter->rx_itr_setting <= 1)
2534 		ec->rx_coalesce_usecs = adapter->rx_itr_setting;
2535 	else
2536 		ec->rx_coalesce_usecs = adapter->rx_itr_setting >> 2;
2537 
2538 	/* if in mixed tx/rx queues per vector mode, report only rx settings */
2539 	if (adapter->q_vector[0]->tx.count && adapter->q_vector[0]->rx.count)
2540 		return 0;
2541 
2542 	/* only valid if in constant ITR mode */
2543 	if (adapter->tx_itr_setting <= 1)
2544 		ec->tx_coalesce_usecs = adapter->tx_itr_setting;
2545 	else
2546 		ec->tx_coalesce_usecs = adapter->tx_itr_setting >> 2;
2547 
2548 	return 0;
2549 }
2550 
2551 /*
2552  * this function must be called before setting the new value of
2553  * rx_itr_setting
2554  */
ixgbe_update_rsc(struct ixgbe_adapter * adapter)2555 static bool ixgbe_update_rsc(struct ixgbe_adapter *adapter)
2556 {
2557 	struct net_device *netdev = adapter->netdev;
2558 
2559 	/* nothing to do if LRO or RSC are not enabled */
2560 	if (!(adapter->flags2 & IXGBE_FLAG2_RSC_CAPABLE) ||
2561 	    !(netdev->features & NETIF_F_LRO))
2562 		return false;
2563 
2564 	/* check the feature flag value and enable RSC if necessary */
2565 	if (adapter->rx_itr_setting == 1 ||
2566 	    adapter->rx_itr_setting > IXGBE_MIN_RSC_ITR) {
2567 		if (!(adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED)) {
2568 			adapter->flags2 |= IXGBE_FLAG2_RSC_ENABLED;
2569 			e_info(probe, "rx-usecs value high enough to re-enable RSC\n");
2570 			return true;
2571 		}
2572 	/* if interrupt rate is too high then disable RSC */
2573 	} else if (adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED) {
2574 		adapter->flags2 &= ~IXGBE_FLAG2_RSC_ENABLED;
2575 		e_info(probe, "rx-usecs set too low, disabling RSC\n");
2576 		return true;
2577 	}
2578 	return false;
2579 }
2580 
ixgbe_set_coalesce(struct net_device * netdev,struct ethtool_coalesce * ec,struct kernel_ethtool_coalesce * kernel_coal,struct netlink_ext_ack * extack)2581 static int ixgbe_set_coalesce(struct net_device *netdev,
2582 			      struct ethtool_coalesce *ec,
2583 			      struct kernel_ethtool_coalesce *kernel_coal,
2584 			      struct netlink_ext_ack *extack)
2585 {
2586 	struct ixgbe_adapter *adapter = ixgbe_from_netdev(netdev);
2587 	struct ixgbe_q_vector *q_vector;
2588 	int i;
2589 	u16 tx_itr_param, rx_itr_param, tx_itr_prev;
2590 	bool need_reset = false;
2591 
2592 	if (adapter->q_vector[0]->tx.count && adapter->q_vector[0]->rx.count) {
2593 		/* reject Tx specific changes in case of mixed RxTx vectors */
2594 		if (ec->tx_coalesce_usecs)
2595 			return -EINVAL;
2596 		tx_itr_prev = adapter->rx_itr_setting;
2597 	} else {
2598 		tx_itr_prev = adapter->tx_itr_setting;
2599 	}
2600 
2601 	if ((ec->rx_coalesce_usecs > (IXGBE_MAX_EITR >> 2)) ||
2602 	    (ec->tx_coalesce_usecs > (IXGBE_MAX_EITR >> 2)))
2603 		return -EINVAL;
2604 
2605 	if (ec->rx_coalesce_usecs > 1)
2606 		adapter->rx_itr_setting = ec->rx_coalesce_usecs << 2;
2607 	else
2608 		adapter->rx_itr_setting = ec->rx_coalesce_usecs;
2609 
2610 	if (adapter->rx_itr_setting == 1)
2611 		rx_itr_param = IXGBE_20K_ITR;
2612 	else
2613 		rx_itr_param = adapter->rx_itr_setting;
2614 
2615 	if (ec->tx_coalesce_usecs > 1)
2616 		adapter->tx_itr_setting = ec->tx_coalesce_usecs << 2;
2617 	else
2618 		adapter->tx_itr_setting = ec->tx_coalesce_usecs;
2619 
2620 	if (adapter->tx_itr_setting == 1)
2621 		tx_itr_param = IXGBE_12K_ITR;
2622 	else
2623 		tx_itr_param = adapter->tx_itr_setting;
2624 
2625 	/* mixed Rx/Tx */
2626 	if (adapter->q_vector[0]->tx.count && adapter->q_vector[0]->rx.count)
2627 		adapter->tx_itr_setting = adapter->rx_itr_setting;
2628 
2629 	/* detect ITR changes that require update of TXDCTL.WTHRESH */
2630 	if ((adapter->tx_itr_setting != 1) &&
2631 	    (adapter->tx_itr_setting < IXGBE_100K_ITR)) {
2632 		if ((tx_itr_prev == 1) ||
2633 		    (tx_itr_prev >= IXGBE_100K_ITR))
2634 			need_reset = true;
2635 	} else {
2636 		if ((tx_itr_prev != 1) &&
2637 		    (tx_itr_prev < IXGBE_100K_ITR))
2638 			need_reset = true;
2639 	}
2640 
2641 	/* check the old value and enable RSC if necessary */
2642 	need_reset |= ixgbe_update_rsc(adapter);
2643 
2644 	for (i = 0; i < adapter->num_q_vectors; i++) {
2645 		q_vector = adapter->q_vector[i];
2646 		if (q_vector->tx.count && !q_vector->rx.count)
2647 			/* tx only */
2648 			q_vector->itr = tx_itr_param;
2649 		else
2650 			/* rx only or mixed */
2651 			q_vector->itr = rx_itr_param;
2652 		ixgbe_write_eitr(q_vector);
2653 	}
2654 
2655 	/*
2656 	 * do reset here at the end to make sure EITR==0 case is handled
2657 	 * correctly w.r.t stopping tx, and changing TXDCTL.WTHRESH settings
2658 	 * also locks in RSC enable/disable which requires reset
2659 	 */
2660 	if (need_reset)
2661 		ixgbe_do_reset(netdev);
2662 
2663 	return 0;
2664 }
2665 
ixgbe_get_ethtool_fdir_entry(struct ixgbe_adapter * adapter,struct ethtool_rxnfc * cmd)2666 static int ixgbe_get_ethtool_fdir_entry(struct ixgbe_adapter *adapter,
2667 					struct ethtool_rxnfc *cmd)
2668 {
2669 	union ixgbe_atr_input *mask = &adapter->fdir_mask;
2670 	struct ethtool_rx_flow_spec *fsp =
2671 		(struct ethtool_rx_flow_spec *)&cmd->fs;
2672 	struct hlist_node *node2;
2673 	struct ixgbe_fdir_filter *rule = NULL;
2674 
2675 	/* report total rule count */
2676 	cmd->data = (1024 << adapter->fdir_pballoc) - 2;
2677 
2678 	hlist_for_each_entry_safe(rule, node2,
2679 				  &adapter->fdir_filter_list, fdir_node) {
2680 		if (fsp->location <= rule->sw_idx)
2681 			break;
2682 	}
2683 
2684 	if (!rule || fsp->location != rule->sw_idx)
2685 		return -EINVAL;
2686 
2687 	/* fill out the flow spec entry */
2688 
2689 	/* set flow type field */
2690 	switch (rule->filter.formatted.flow_type) {
2691 	case IXGBE_ATR_FLOW_TYPE_TCPV4:
2692 		fsp->flow_type = TCP_V4_FLOW;
2693 		break;
2694 	case IXGBE_ATR_FLOW_TYPE_UDPV4:
2695 		fsp->flow_type = UDP_V4_FLOW;
2696 		break;
2697 	case IXGBE_ATR_FLOW_TYPE_SCTPV4:
2698 		fsp->flow_type = SCTP_V4_FLOW;
2699 		break;
2700 	case IXGBE_ATR_FLOW_TYPE_IPV4:
2701 		fsp->flow_type = IP_USER_FLOW;
2702 		fsp->h_u.usr_ip4_spec.ip_ver = ETH_RX_NFC_IP4;
2703 		fsp->h_u.usr_ip4_spec.proto = 0;
2704 		fsp->m_u.usr_ip4_spec.proto = 0;
2705 		break;
2706 	default:
2707 		return -EINVAL;
2708 	}
2709 
2710 	fsp->h_u.tcp_ip4_spec.psrc = rule->filter.formatted.src_port;
2711 	fsp->m_u.tcp_ip4_spec.psrc = mask->formatted.src_port;
2712 	fsp->h_u.tcp_ip4_spec.pdst = rule->filter.formatted.dst_port;
2713 	fsp->m_u.tcp_ip4_spec.pdst = mask->formatted.dst_port;
2714 	fsp->h_u.tcp_ip4_spec.ip4src = rule->filter.formatted.src_ip[0];
2715 	fsp->m_u.tcp_ip4_spec.ip4src = mask->formatted.src_ip[0];
2716 	fsp->h_u.tcp_ip4_spec.ip4dst = rule->filter.formatted.dst_ip[0];
2717 	fsp->m_u.tcp_ip4_spec.ip4dst = mask->formatted.dst_ip[0];
2718 	fsp->h_ext.vlan_tci = rule->filter.formatted.vlan_id;
2719 	fsp->m_ext.vlan_tci = mask->formatted.vlan_id;
2720 	fsp->h_ext.vlan_etype = rule->filter.formatted.flex_bytes;
2721 	fsp->m_ext.vlan_etype = mask->formatted.flex_bytes;
2722 	fsp->h_ext.data[1] = htonl(rule->filter.formatted.vm_pool);
2723 	fsp->m_ext.data[1] = htonl(mask->formatted.vm_pool);
2724 	fsp->flow_type |= FLOW_EXT;
2725 
2726 	/* record action */
2727 	if (rule->action == IXGBE_FDIR_DROP_QUEUE)
2728 		fsp->ring_cookie = RX_CLS_FLOW_DISC;
2729 	else
2730 		fsp->ring_cookie = rule->action;
2731 
2732 	return 0;
2733 }
2734 
ixgbe_get_ethtool_fdir_all(struct ixgbe_adapter * adapter,struct ethtool_rxnfc * cmd,u32 * rule_locs)2735 static int ixgbe_get_ethtool_fdir_all(struct ixgbe_adapter *adapter,
2736 				      struct ethtool_rxnfc *cmd,
2737 				      u32 *rule_locs)
2738 {
2739 	struct hlist_node *node2;
2740 	struct ixgbe_fdir_filter *rule;
2741 	int cnt = 0;
2742 
2743 	/* report total rule count */
2744 	cmd->data = (1024 << adapter->fdir_pballoc) - 2;
2745 
2746 	hlist_for_each_entry_safe(rule, node2,
2747 				  &adapter->fdir_filter_list, fdir_node) {
2748 		if (cnt == cmd->rule_cnt)
2749 			return -EMSGSIZE;
2750 		rule_locs[cnt] = rule->sw_idx;
2751 		cnt++;
2752 	}
2753 
2754 	cmd->rule_cnt = cnt;
2755 
2756 	return 0;
2757 }
2758 
ixgbe_get_rxfh_fields(struct net_device * dev,struct ethtool_rxfh_fields * cmd)2759 static int ixgbe_get_rxfh_fields(struct net_device *dev,
2760 				 struct ethtool_rxfh_fields *cmd)
2761 {
2762 	struct ixgbe_adapter *adapter = ixgbe_from_netdev(dev);
2763 
2764 	cmd->data = 0;
2765 
2766 	/* Report default options for RSS on ixgbe */
2767 	switch (cmd->flow_type) {
2768 	case TCP_V4_FLOW:
2769 		cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
2770 		fallthrough;
2771 	case UDP_V4_FLOW:
2772 		if (adapter->flags2 & IXGBE_FLAG2_RSS_FIELD_IPV4_UDP)
2773 			cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
2774 		fallthrough;
2775 	case SCTP_V4_FLOW:
2776 	case AH_ESP_V4_FLOW:
2777 	case AH_V4_FLOW:
2778 	case ESP_V4_FLOW:
2779 	case IPV4_FLOW:
2780 		cmd->data |= RXH_IP_SRC | RXH_IP_DST;
2781 		break;
2782 	case TCP_V6_FLOW:
2783 		cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
2784 		fallthrough;
2785 	case UDP_V6_FLOW:
2786 		if (adapter->flags2 & IXGBE_FLAG2_RSS_FIELD_IPV6_UDP)
2787 			cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
2788 		fallthrough;
2789 	case SCTP_V6_FLOW:
2790 	case AH_ESP_V6_FLOW:
2791 	case AH_V6_FLOW:
2792 	case ESP_V6_FLOW:
2793 	case IPV6_FLOW:
2794 		cmd->data |= RXH_IP_SRC | RXH_IP_DST;
2795 		break;
2796 	default:
2797 		return -EINVAL;
2798 	}
2799 
2800 	return 0;
2801 }
2802 
ixgbe_rss_indir_tbl_max(struct ixgbe_adapter * adapter)2803 static int ixgbe_rss_indir_tbl_max(struct ixgbe_adapter *adapter)
2804 {
2805 	if (adapter->hw.mac.type < ixgbe_mac_X550)
2806 		return 16;
2807 	else
2808 		return 64;
2809 }
2810 
ixgbe_get_rx_ring_count(struct net_device * dev)2811 static u32 ixgbe_get_rx_ring_count(struct net_device *dev)
2812 {
2813 	struct ixgbe_adapter *adapter = ixgbe_from_netdev(dev);
2814 
2815 	return min_t(u32, adapter->num_rx_queues,
2816 		     ixgbe_rss_indir_tbl_max(adapter));
2817 }
2818 
ixgbe_get_rxnfc(struct net_device * dev,struct ethtool_rxnfc * cmd,u32 * rule_locs)2819 static int ixgbe_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
2820 			   u32 *rule_locs)
2821 {
2822 	struct ixgbe_adapter *adapter = ixgbe_from_netdev(dev);
2823 	int ret = -EOPNOTSUPP;
2824 
2825 	switch (cmd->cmd) {
2826 	case ETHTOOL_GRXCLSRLCNT:
2827 		cmd->rule_cnt = adapter->fdir_filter_count;
2828 		ret = 0;
2829 		break;
2830 	case ETHTOOL_GRXCLSRULE:
2831 		ret = ixgbe_get_ethtool_fdir_entry(adapter, cmd);
2832 		break;
2833 	case ETHTOOL_GRXCLSRLALL:
2834 		ret = ixgbe_get_ethtool_fdir_all(adapter, cmd, rule_locs);
2835 		break;
2836 	default:
2837 		break;
2838 	}
2839 
2840 	return ret;
2841 }
2842 
ixgbe_update_ethtool_fdir_entry(struct ixgbe_adapter * adapter,struct ixgbe_fdir_filter * input,u16 sw_idx)2843 int ixgbe_update_ethtool_fdir_entry(struct ixgbe_adapter *adapter,
2844 				    struct ixgbe_fdir_filter *input,
2845 				    u16 sw_idx)
2846 {
2847 	struct ixgbe_hw *hw = &adapter->hw;
2848 	struct hlist_node *node2;
2849 	struct ixgbe_fdir_filter *rule, *parent;
2850 	int err = -EINVAL;
2851 
2852 	parent = NULL;
2853 	rule = NULL;
2854 
2855 	hlist_for_each_entry_safe(rule, node2,
2856 				  &adapter->fdir_filter_list, fdir_node) {
2857 		/* hash found, or no matching entry */
2858 		if (rule->sw_idx >= sw_idx)
2859 			break;
2860 		parent = rule;
2861 	}
2862 
2863 	/* if there is an old rule occupying our place remove it */
2864 	if (rule && (rule->sw_idx == sw_idx)) {
2865 		if (!input || (rule->filter.formatted.bkt_hash !=
2866 			       input->filter.formatted.bkt_hash)) {
2867 			err = ixgbe_fdir_erase_perfect_filter_82599(hw,
2868 								&rule->filter,
2869 								sw_idx);
2870 		}
2871 
2872 		hlist_del(&rule->fdir_node);
2873 		kfree(rule);
2874 		adapter->fdir_filter_count--;
2875 	}
2876 
2877 	/*
2878 	 * If no input this was a delete, err should be 0 if a rule was
2879 	 * successfully found and removed from the list else -EINVAL
2880 	 */
2881 	if (!input)
2882 		return err;
2883 
2884 	/* initialize node and set software index */
2885 	INIT_HLIST_NODE(&input->fdir_node);
2886 
2887 	/* add filter to the list */
2888 	if (parent)
2889 		hlist_add_behind(&input->fdir_node, &parent->fdir_node);
2890 	else
2891 		hlist_add_head(&input->fdir_node,
2892 			       &adapter->fdir_filter_list);
2893 
2894 	/* update counts */
2895 	adapter->fdir_filter_count++;
2896 
2897 	return 0;
2898 }
2899 
ixgbe_flowspec_to_flow_type(struct ethtool_rx_flow_spec * fsp,u8 * flow_type)2900 static int ixgbe_flowspec_to_flow_type(struct ethtool_rx_flow_spec *fsp,
2901 				       u8 *flow_type)
2902 {
2903 	switch (fsp->flow_type & ~FLOW_EXT) {
2904 	case TCP_V4_FLOW:
2905 		*flow_type = IXGBE_ATR_FLOW_TYPE_TCPV4;
2906 		break;
2907 	case UDP_V4_FLOW:
2908 		*flow_type = IXGBE_ATR_FLOW_TYPE_UDPV4;
2909 		break;
2910 	case SCTP_V4_FLOW:
2911 		*flow_type = IXGBE_ATR_FLOW_TYPE_SCTPV4;
2912 		break;
2913 	case IP_USER_FLOW:
2914 		switch (fsp->h_u.usr_ip4_spec.proto) {
2915 		case IPPROTO_TCP:
2916 			*flow_type = IXGBE_ATR_FLOW_TYPE_TCPV4;
2917 			break;
2918 		case IPPROTO_UDP:
2919 			*flow_type = IXGBE_ATR_FLOW_TYPE_UDPV4;
2920 			break;
2921 		case IPPROTO_SCTP:
2922 			*flow_type = IXGBE_ATR_FLOW_TYPE_SCTPV4;
2923 			break;
2924 		case 0:
2925 			if (!fsp->m_u.usr_ip4_spec.proto) {
2926 				*flow_type = IXGBE_ATR_FLOW_TYPE_IPV4;
2927 				break;
2928 			}
2929 			fallthrough;
2930 		default:
2931 			return 0;
2932 		}
2933 		break;
2934 	default:
2935 		return 0;
2936 	}
2937 
2938 	return 1;
2939 }
2940 
ixgbe_add_ethtool_fdir_entry(struct ixgbe_adapter * adapter,struct ethtool_rxnfc * cmd)2941 static int ixgbe_add_ethtool_fdir_entry(struct ixgbe_adapter *adapter,
2942 					struct ethtool_rxnfc *cmd)
2943 {
2944 	struct ethtool_rx_flow_spec *fsp =
2945 		(struct ethtool_rx_flow_spec *)&cmd->fs;
2946 	struct ixgbe_hw *hw = &adapter->hw;
2947 	struct ixgbe_fdir_filter *input;
2948 	union ixgbe_atr_input mask;
2949 	u8 queue;
2950 	int err;
2951 
2952 	if (!(adapter->flags & IXGBE_FLAG_FDIR_PERFECT_CAPABLE))
2953 		return -EOPNOTSUPP;
2954 
2955 	/* ring_cookie is a masked into a set of queues and ixgbe pools or
2956 	 * we use the drop index.
2957 	 */
2958 	if (fsp->ring_cookie == RX_CLS_FLOW_DISC) {
2959 		queue = IXGBE_FDIR_DROP_QUEUE;
2960 	} else {
2961 		u32 ring = ethtool_get_flow_spec_ring(fsp->ring_cookie);
2962 		u8 vf = ethtool_get_flow_spec_ring_vf(fsp->ring_cookie);
2963 
2964 		if (!vf && (ring >= adapter->num_rx_queues))
2965 			return -EINVAL;
2966 		else if (vf &&
2967 			 ((vf > adapter->num_vfs) ||
2968 			   ring >= adapter->num_rx_queues_per_pool))
2969 			return -EINVAL;
2970 
2971 		/* Map the ring onto the absolute queue index */
2972 		if (!vf)
2973 			queue = adapter->rx_ring[ring]->reg_idx;
2974 		else
2975 			queue = ((vf - 1) *
2976 				adapter->num_rx_queues_per_pool) + ring;
2977 	}
2978 
2979 	/* Don't allow indexes to exist outside of available space */
2980 	if (fsp->location >= ((1024 << adapter->fdir_pballoc) - 2)) {
2981 		e_err(drv, "Location out of range\n");
2982 		return -EINVAL;
2983 	}
2984 
2985 	input = kzalloc_obj(*input, GFP_ATOMIC);
2986 	if (!input)
2987 		return -ENOMEM;
2988 
2989 	memset(&mask, 0, sizeof(union ixgbe_atr_input));
2990 
2991 	/* set SW index */
2992 	input->sw_idx = fsp->location;
2993 
2994 	/* record flow type */
2995 	if (!ixgbe_flowspec_to_flow_type(fsp,
2996 					 &input->filter.formatted.flow_type)) {
2997 		e_err(drv, "Unrecognized flow type\n");
2998 		goto err_out;
2999 	}
3000 
3001 	mask.formatted.flow_type = IXGBE_ATR_L4TYPE_IPV6_MASK |
3002 				   IXGBE_ATR_L4TYPE_MASK;
3003 
3004 	if (input->filter.formatted.flow_type == IXGBE_ATR_FLOW_TYPE_IPV4)
3005 		mask.formatted.flow_type &= IXGBE_ATR_L4TYPE_IPV6_MASK;
3006 
3007 	/* Copy input into formatted structures */
3008 	input->filter.formatted.src_ip[0] = fsp->h_u.tcp_ip4_spec.ip4src;
3009 	mask.formatted.src_ip[0] = fsp->m_u.tcp_ip4_spec.ip4src;
3010 	input->filter.formatted.dst_ip[0] = fsp->h_u.tcp_ip4_spec.ip4dst;
3011 	mask.formatted.dst_ip[0] = fsp->m_u.tcp_ip4_spec.ip4dst;
3012 	input->filter.formatted.src_port = fsp->h_u.tcp_ip4_spec.psrc;
3013 	mask.formatted.src_port = fsp->m_u.tcp_ip4_spec.psrc;
3014 	input->filter.formatted.dst_port = fsp->h_u.tcp_ip4_spec.pdst;
3015 	mask.formatted.dst_port = fsp->m_u.tcp_ip4_spec.pdst;
3016 
3017 	if (fsp->flow_type & FLOW_EXT) {
3018 		input->filter.formatted.vm_pool =
3019 				(unsigned char)ntohl(fsp->h_ext.data[1]);
3020 		mask.formatted.vm_pool =
3021 				(unsigned char)ntohl(fsp->m_ext.data[1]);
3022 		input->filter.formatted.vlan_id = fsp->h_ext.vlan_tci;
3023 		mask.formatted.vlan_id = fsp->m_ext.vlan_tci;
3024 		input->filter.formatted.flex_bytes =
3025 						fsp->h_ext.vlan_etype;
3026 		mask.formatted.flex_bytes = fsp->m_ext.vlan_etype;
3027 	}
3028 
3029 	/* determine if we need to drop or route the packet */
3030 	if (fsp->ring_cookie == RX_CLS_FLOW_DISC)
3031 		input->action = IXGBE_FDIR_DROP_QUEUE;
3032 	else
3033 		input->action = fsp->ring_cookie;
3034 
3035 	spin_lock(&adapter->fdir_perfect_lock);
3036 
3037 	if (hlist_empty(&adapter->fdir_filter_list)) {
3038 		/* save mask and program input mask into HW */
3039 		memcpy(&adapter->fdir_mask, &mask, sizeof(mask));
3040 		err = ixgbe_fdir_set_input_mask_82599(hw, &mask);
3041 		if (err) {
3042 			e_err(drv, "Error writing mask\n");
3043 			goto err_out_w_lock;
3044 		}
3045 	} else if (memcmp(&adapter->fdir_mask, &mask, sizeof(mask))) {
3046 		e_err(drv, "Only one mask supported per port\n");
3047 		goto err_out_w_lock;
3048 	}
3049 
3050 	/* apply mask and compute/store hash */
3051 	ixgbe_atr_compute_perfect_hash_82599(&input->filter, &mask);
3052 
3053 	/* program filters to filter memory */
3054 	err = ixgbe_fdir_write_perfect_filter_82599(hw,
3055 				&input->filter, input->sw_idx, queue);
3056 	if (err)
3057 		goto err_out_w_lock;
3058 
3059 	ixgbe_update_ethtool_fdir_entry(adapter, input, input->sw_idx);
3060 
3061 	spin_unlock(&adapter->fdir_perfect_lock);
3062 
3063 	return err;
3064 err_out_w_lock:
3065 	spin_unlock(&adapter->fdir_perfect_lock);
3066 err_out:
3067 	kfree(input);
3068 	return -EINVAL;
3069 }
3070 
ixgbe_del_ethtool_fdir_entry(struct ixgbe_adapter * adapter,struct ethtool_rxnfc * cmd)3071 static int ixgbe_del_ethtool_fdir_entry(struct ixgbe_adapter *adapter,
3072 					struct ethtool_rxnfc *cmd)
3073 {
3074 	struct ethtool_rx_flow_spec *fsp =
3075 		(struct ethtool_rx_flow_spec *)&cmd->fs;
3076 	int err;
3077 
3078 	spin_lock(&adapter->fdir_perfect_lock);
3079 	err = ixgbe_update_ethtool_fdir_entry(adapter, NULL, fsp->location);
3080 	spin_unlock(&adapter->fdir_perfect_lock);
3081 
3082 	return err;
3083 }
3084 
3085 #define UDP_RSS_FLAGS (IXGBE_FLAG2_RSS_FIELD_IPV4_UDP | \
3086 		       IXGBE_FLAG2_RSS_FIELD_IPV6_UDP)
ixgbe_set_rxfh_fields(struct net_device * dev,const struct ethtool_rxfh_fields * nfc,struct netlink_ext_ack * extack)3087 static int ixgbe_set_rxfh_fields(struct net_device *dev,
3088 				 const struct ethtool_rxfh_fields *nfc,
3089 				 struct netlink_ext_ack *extack)
3090 {
3091 	struct ixgbe_adapter *adapter = ixgbe_from_netdev(dev);
3092 	u32 flags2 = adapter->flags2;
3093 
3094 	/*
3095 	 * RSS does not support anything other than hashing
3096 	 * to queues on src and dst IPs and ports
3097 	 */
3098 	if (nfc->data & ~(RXH_IP_SRC | RXH_IP_DST |
3099 			  RXH_L4_B_0_1 | RXH_L4_B_2_3))
3100 		return -EINVAL;
3101 
3102 	switch (nfc->flow_type) {
3103 	case TCP_V4_FLOW:
3104 	case TCP_V6_FLOW:
3105 		if (!(nfc->data & RXH_IP_SRC) ||
3106 		    !(nfc->data & RXH_IP_DST) ||
3107 		    !(nfc->data & RXH_L4_B_0_1) ||
3108 		    !(nfc->data & RXH_L4_B_2_3))
3109 			return -EINVAL;
3110 		break;
3111 	case UDP_V4_FLOW:
3112 		if (!(nfc->data & RXH_IP_SRC) ||
3113 		    !(nfc->data & RXH_IP_DST))
3114 			return -EINVAL;
3115 		switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
3116 		case 0:
3117 			flags2 &= ~IXGBE_FLAG2_RSS_FIELD_IPV4_UDP;
3118 			break;
3119 		case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
3120 			flags2 |= IXGBE_FLAG2_RSS_FIELD_IPV4_UDP;
3121 			break;
3122 		default:
3123 			return -EINVAL;
3124 		}
3125 		break;
3126 	case UDP_V6_FLOW:
3127 		if (!(nfc->data & RXH_IP_SRC) ||
3128 		    !(nfc->data & RXH_IP_DST))
3129 			return -EINVAL;
3130 		switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
3131 		case 0:
3132 			flags2 &= ~IXGBE_FLAG2_RSS_FIELD_IPV6_UDP;
3133 			break;
3134 		case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
3135 			flags2 |= IXGBE_FLAG2_RSS_FIELD_IPV6_UDP;
3136 			break;
3137 		default:
3138 			return -EINVAL;
3139 		}
3140 		break;
3141 	case AH_ESP_V4_FLOW:
3142 	case AH_V4_FLOW:
3143 	case ESP_V4_FLOW:
3144 	case SCTP_V4_FLOW:
3145 	case AH_ESP_V6_FLOW:
3146 	case AH_V6_FLOW:
3147 	case ESP_V6_FLOW:
3148 	case SCTP_V6_FLOW:
3149 		if (!(nfc->data & RXH_IP_SRC) ||
3150 		    !(nfc->data & RXH_IP_DST) ||
3151 		    (nfc->data & RXH_L4_B_0_1) ||
3152 		    (nfc->data & RXH_L4_B_2_3))
3153 			return -EINVAL;
3154 		break;
3155 	default:
3156 		return -EINVAL;
3157 	}
3158 
3159 	/* if we changed something we need to update flags */
3160 	if (flags2 != adapter->flags2) {
3161 		struct ixgbe_hw *hw = &adapter->hw;
3162 		u32 mrqc;
3163 		unsigned int pf_pool = adapter->num_vfs;
3164 
3165 		if ((hw->mac.type >= ixgbe_mac_X550) &&
3166 		    (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED))
3167 			mrqc = IXGBE_READ_REG(hw, IXGBE_PFVFMRQC(pf_pool));
3168 		else
3169 			mrqc = IXGBE_READ_REG(hw, IXGBE_MRQC);
3170 
3171 		if ((flags2 & UDP_RSS_FLAGS) &&
3172 		    !(adapter->flags2 & UDP_RSS_FLAGS))
3173 			e_warn(drv, "enabling UDP RSS: fragmented packets may arrive out of order to the stack above\n");
3174 
3175 		adapter->flags2 = flags2;
3176 
3177 		/* Perform hash on these packet types */
3178 		mrqc |= IXGBE_MRQC_RSS_FIELD_IPV4
3179 		      | IXGBE_MRQC_RSS_FIELD_IPV4_TCP
3180 		      | IXGBE_MRQC_RSS_FIELD_IPV6
3181 		      | IXGBE_MRQC_RSS_FIELD_IPV6_TCP;
3182 
3183 		mrqc &= ~(IXGBE_MRQC_RSS_FIELD_IPV4_UDP |
3184 			  IXGBE_MRQC_RSS_FIELD_IPV6_UDP);
3185 
3186 		if (flags2 & IXGBE_FLAG2_RSS_FIELD_IPV4_UDP)
3187 			mrqc |= IXGBE_MRQC_RSS_FIELD_IPV4_UDP;
3188 
3189 		if (flags2 & IXGBE_FLAG2_RSS_FIELD_IPV6_UDP)
3190 			mrqc |= IXGBE_MRQC_RSS_FIELD_IPV6_UDP;
3191 
3192 		if ((hw->mac.type >= ixgbe_mac_X550) &&
3193 		    (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED))
3194 			IXGBE_WRITE_REG(hw, IXGBE_PFVFMRQC(pf_pool), mrqc);
3195 		else
3196 			IXGBE_WRITE_REG(hw, IXGBE_MRQC, mrqc);
3197 	}
3198 
3199 	return 0;
3200 }
3201 
ixgbe_set_rxnfc(struct net_device * dev,struct ethtool_rxnfc * cmd)3202 static int ixgbe_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
3203 {
3204 	struct ixgbe_adapter *adapter = ixgbe_from_netdev(dev);
3205 	int ret = -EOPNOTSUPP;
3206 
3207 	switch (cmd->cmd) {
3208 	case ETHTOOL_SRXCLSRLINS:
3209 		ret = ixgbe_add_ethtool_fdir_entry(adapter, cmd);
3210 		break;
3211 	case ETHTOOL_SRXCLSRLDEL:
3212 		ret = ixgbe_del_ethtool_fdir_entry(adapter, cmd);
3213 		break;
3214 	default:
3215 		break;
3216 	}
3217 
3218 	return ret;
3219 }
3220 
ixgbe_get_rxfh_key_size(struct net_device * netdev)3221 static u32 ixgbe_get_rxfh_key_size(struct net_device *netdev)
3222 {
3223 	return IXGBE_RSS_KEY_SIZE;
3224 }
3225 
ixgbe_rss_indir_size(struct net_device * netdev)3226 static u32 ixgbe_rss_indir_size(struct net_device *netdev)
3227 {
3228 	struct ixgbe_adapter *adapter = ixgbe_from_netdev(netdev);
3229 
3230 	return ixgbe_rss_indir_tbl_entries(adapter);
3231 }
3232 
ixgbe_get_reta(struct ixgbe_adapter * adapter,u32 * indir)3233 static void ixgbe_get_reta(struct ixgbe_adapter *adapter, u32 *indir)
3234 {
3235 	int i, reta_size = ixgbe_rss_indir_tbl_entries(adapter);
3236 	u16 rss_m = adapter->ring_feature[RING_F_RSS].mask;
3237 
3238 	if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED)
3239 		rss_m = adapter->ring_feature[RING_F_RSS].indices - 1;
3240 
3241 	for (i = 0; i < reta_size; i++)
3242 		indir[i] = adapter->rss_indir_tbl[i] & rss_m;
3243 }
3244 
ixgbe_get_rxfh(struct net_device * netdev,struct ethtool_rxfh_param * rxfh)3245 static int ixgbe_get_rxfh(struct net_device *netdev,
3246 			  struct ethtool_rxfh_param *rxfh)
3247 {
3248 	struct ixgbe_adapter *adapter = ixgbe_from_netdev(netdev);
3249 
3250 	rxfh->hfunc = ETH_RSS_HASH_TOP;
3251 
3252 	if (rxfh->indir)
3253 		ixgbe_get_reta(adapter, rxfh->indir);
3254 
3255 	if (rxfh->key)
3256 		memcpy(rxfh->key, adapter->rss_key,
3257 		       ixgbe_get_rxfh_key_size(netdev));
3258 
3259 	return 0;
3260 }
3261 
ixgbe_set_rxfh(struct net_device * netdev,struct ethtool_rxfh_param * rxfh,struct netlink_ext_ack * extack)3262 static int ixgbe_set_rxfh(struct net_device *netdev,
3263 			  struct ethtool_rxfh_param *rxfh,
3264 			  struct netlink_ext_ack *extack)
3265 {
3266 	struct ixgbe_adapter *adapter = ixgbe_from_netdev(netdev);
3267 	int i;
3268 	u32 reta_entries = ixgbe_rss_indir_tbl_entries(adapter);
3269 
3270 	if (rxfh->hfunc != ETH_RSS_HASH_NO_CHANGE &&
3271 	    rxfh->hfunc != ETH_RSS_HASH_TOP)
3272 		return -EOPNOTSUPP;
3273 
3274 	/* Fill out the redirection table */
3275 	if (rxfh->indir) {
3276 		int max_queues = min_t(int, adapter->num_rx_queues,
3277 				       ixgbe_rss_indir_tbl_max(adapter));
3278 
3279 		/*Allow at least 2 queues w/ SR-IOV.*/
3280 		if ((adapter->flags & IXGBE_FLAG_SRIOV_ENABLED) &&
3281 		    (max_queues < 2))
3282 			max_queues = 2;
3283 
3284 		/* Verify user input. */
3285 		for (i = 0; i < reta_entries; i++)
3286 			if (rxfh->indir[i] >= max_queues)
3287 				return -EINVAL;
3288 
3289 		for (i = 0; i < reta_entries; i++)
3290 			adapter->rss_indir_tbl[i] = rxfh->indir[i];
3291 
3292 		ixgbe_store_reta(adapter);
3293 	}
3294 
3295 	/* Fill out the rss hash key */
3296 	if (rxfh->key) {
3297 		memcpy(adapter->rss_key, rxfh->key,
3298 		       ixgbe_get_rxfh_key_size(netdev));
3299 		ixgbe_store_key(adapter);
3300 	}
3301 
3302 	return 0;
3303 }
3304 
ixgbe_get_ts_info(struct net_device * dev,struct kernel_ethtool_ts_info * info)3305 static int ixgbe_get_ts_info(struct net_device *dev,
3306 			     struct kernel_ethtool_ts_info *info)
3307 {
3308 	struct ixgbe_adapter *adapter = ixgbe_from_netdev(dev);
3309 
3310 	/* we always support timestamping disabled */
3311 	info->rx_filters = BIT(HWTSTAMP_FILTER_NONE);
3312 
3313 	switch (adapter->hw.mac.type) {
3314 	case ixgbe_mac_X550:
3315 	case ixgbe_mac_X550EM_x:
3316 	case ixgbe_mac_x550em_a:
3317 	case ixgbe_mac_e610:
3318 		info->rx_filters |= BIT(HWTSTAMP_FILTER_ALL);
3319 		break;
3320 	case ixgbe_mac_X540:
3321 	case ixgbe_mac_82599EB:
3322 		info->rx_filters |=
3323 			BIT(HWTSTAMP_FILTER_PTP_V1_L4_SYNC) |
3324 			BIT(HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ) |
3325 			BIT(HWTSTAMP_FILTER_PTP_V2_EVENT);
3326 		break;
3327 	default:
3328 		return ethtool_op_get_ts_info(dev, info);
3329 	}
3330 
3331 	info->so_timestamping =
3332 		SOF_TIMESTAMPING_TX_SOFTWARE |
3333 		SOF_TIMESTAMPING_TX_HARDWARE |
3334 		SOF_TIMESTAMPING_RX_HARDWARE |
3335 		SOF_TIMESTAMPING_RAW_HARDWARE;
3336 
3337 	if (adapter->ptp_clock)
3338 		info->phc_index = ptp_clock_index(adapter->ptp_clock);
3339 
3340 	info->tx_types =
3341 		BIT(HWTSTAMP_TX_OFF) |
3342 		BIT(HWTSTAMP_TX_ON);
3343 
3344 	return 0;
3345 }
3346 
ixgbe_max_channels(struct ixgbe_adapter * adapter)3347 static unsigned int ixgbe_max_channels(struct ixgbe_adapter *adapter)
3348 {
3349 	unsigned int max_combined;
3350 	u8 tcs = adapter->hw_tcs;
3351 
3352 	if (!(adapter->flags & IXGBE_FLAG_MSIX_ENABLED)) {
3353 		/* We only support one q_vector without MSI-X */
3354 		max_combined = 1;
3355 	} else if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED) {
3356 		/* Limit value based on the queue mask */
3357 		max_combined = adapter->ring_feature[RING_F_RSS].mask + 1;
3358 	} else if (tcs > 1) {
3359 		/* For DCB report channels per traffic class */
3360 		if (adapter->hw.mac.type == ixgbe_mac_82598EB) {
3361 			/* 8 TC w/ 4 queues per TC */
3362 			max_combined = 4;
3363 		} else if (tcs > 4) {
3364 			/* 8 TC w/ 8 queues per TC */
3365 			max_combined = 8;
3366 		} else {
3367 			/* 4 TC w/ 16 queues per TC */
3368 			max_combined = 16;
3369 		}
3370 	} else if (adapter->atr_sample_rate) {
3371 		/* support up to 64 queues with ATR */
3372 		max_combined = IXGBE_MAX_FDIR_INDICES;
3373 	} else {
3374 		/* support up to 16 queues with RSS */
3375 		max_combined = ixgbe_max_rss_indices(adapter);
3376 	}
3377 
3378 	return min_t(int, max_combined, num_online_cpus());
3379 }
3380 
ixgbe_get_channels(struct net_device * dev,struct ethtool_channels * ch)3381 static void ixgbe_get_channels(struct net_device *dev,
3382 			       struct ethtool_channels *ch)
3383 {
3384 	struct ixgbe_adapter *adapter = ixgbe_from_netdev(dev);
3385 
3386 	/* report maximum channels */
3387 	ch->max_combined = ixgbe_max_channels(adapter);
3388 
3389 	/* report info for other vector */
3390 	if (adapter->flags & IXGBE_FLAG_MSIX_ENABLED) {
3391 		ch->max_other = NON_Q_VECTORS;
3392 		ch->other_count = NON_Q_VECTORS;
3393 	}
3394 
3395 	/* record RSS queues */
3396 	ch->combined_count = adapter->ring_feature[RING_F_RSS].indices;
3397 
3398 	/* nothing else to report if RSS is disabled */
3399 	if (ch->combined_count == 1)
3400 		return;
3401 
3402 	/* we do not support ATR queueing if SR-IOV is enabled */
3403 	if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED)
3404 		return;
3405 
3406 	/* same thing goes for being DCB enabled */
3407 	if (adapter->hw_tcs > 1)
3408 		return;
3409 
3410 	/* if ATR is disabled we can exit */
3411 	if (!adapter->atr_sample_rate)
3412 		return;
3413 
3414 	/* report flow director queues as maximum channels */
3415 	ch->combined_count = adapter->ring_feature[RING_F_FDIR].indices;
3416 }
3417 
ixgbe_set_channels(struct net_device * dev,struct ethtool_channels * ch)3418 static int ixgbe_set_channels(struct net_device *dev,
3419 			      struct ethtool_channels *ch)
3420 {
3421 	struct ixgbe_adapter *adapter = ixgbe_from_netdev(dev);
3422 	unsigned int count = ch->combined_count;
3423 	u8 max_rss_indices = ixgbe_max_rss_indices(adapter);
3424 
3425 	/* verify they are not requesting separate vectors */
3426 	if (!count || ch->rx_count || ch->tx_count)
3427 		return -EINVAL;
3428 
3429 	/* verify other_count has not changed */
3430 	if (ch->other_count != NON_Q_VECTORS)
3431 		return -EINVAL;
3432 
3433 	/* verify the number of channels does not exceed hardware limits */
3434 	if (count > ixgbe_max_channels(adapter))
3435 		return -EINVAL;
3436 
3437 	/* update feature limits from largest to smallest supported values */
3438 	adapter->ring_feature[RING_F_FDIR].limit = count;
3439 
3440 	/* cap RSS limit */
3441 	if (count > max_rss_indices)
3442 		count = max_rss_indices;
3443 	adapter->ring_feature[RING_F_RSS].limit = count;
3444 
3445 #ifdef IXGBE_FCOE
3446 	/* cap FCoE limit at 8 */
3447 	if (count > IXGBE_FCRETA_SIZE)
3448 		count = IXGBE_FCRETA_SIZE;
3449 	adapter->ring_feature[RING_F_FCOE].limit = count;
3450 
3451 #endif
3452 	/* use setup TC to update any traffic class queue mapping */
3453 	return ixgbe_setup_tc(dev, adapter->hw_tcs);
3454 }
3455 
ixgbe_get_module_info(struct net_device * dev,struct ethtool_modinfo * modinfo)3456 static int ixgbe_get_module_info(struct net_device *dev,
3457 				       struct ethtool_modinfo *modinfo)
3458 {
3459 	struct ixgbe_adapter *adapter = ixgbe_from_netdev(dev);
3460 	struct ixgbe_hw *hw = &adapter->hw;
3461 	u8 sff8472_rev, addr_mode;
3462 	bool page_swap = false;
3463 	int status;
3464 
3465 	if (hw->phy.type == ixgbe_phy_fw)
3466 		return -ENXIO;
3467 
3468 	/* Check whether we support SFF-8472 or not */
3469 	status = hw->phy.ops.read_i2c_eeprom(hw,
3470 					     IXGBE_SFF_SFF_8472_COMP,
3471 					     &sff8472_rev);
3472 	if (status)
3473 		return -EIO;
3474 
3475 	/* addressing mode is not supported */
3476 	status = hw->phy.ops.read_i2c_eeprom(hw,
3477 					     IXGBE_SFF_SFF_8472_SWAP,
3478 					     &addr_mode);
3479 	if (status)
3480 		return -EIO;
3481 
3482 	if (addr_mode & IXGBE_SFF_ADDRESSING_MODE) {
3483 		e_err(drv, "Address change required to access page 0xA2, but not supported. Please report the module type to the driver maintainers.\n");
3484 		page_swap = true;
3485 	}
3486 
3487 	if (sff8472_rev == IXGBE_SFF_SFF_8472_UNSUP || page_swap ||
3488 	    !(addr_mode & IXGBE_SFF_DDM_IMPLEMENTED)) {
3489 		/* We have a SFP, but it does not support SFF-8472 */
3490 		modinfo->type = ETH_MODULE_SFF_8079;
3491 		modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN;
3492 	} else {
3493 		/* We have a SFP which supports a revision of SFF-8472. */
3494 		modinfo->type = ETH_MODULE_SFF_8472;
3495 		modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
3496 	}
3497 
3498 	return 0;
3499 }
3500 
ixgbe_get_module_eeprom(struct net_device * dev,struct ethtool_eeprom * ee,u8 * data)3501 static int ixgbe_get_module_eeprom(struct net_device *dev,
3502 					 struct ethtool_eeprom *ee,
3503 					 u8 *data)
3504 {
3505 	struct ixgbe_adapter *adapter = ixgbe_from_netdev(dev);
3506 	struct ixgbe_hw *hw = &adapter->hw;
3507 	int status = -EFAULT;
3508 	u8 databyte = 0xFF;
3509 	int i = 0;
3510 
3511 	if (ee->len == 0)
3512 		return -EINVAL;
3513 
3514 	if (hw->phy.type == ixgbe_phy_fw)
3515 		return -ENXIO;
3516 
3517 	for (i = ee->offset; i < ee->offset + ee->len; i++) {
3518 		/* I2C reads can take long time */
3519 		if (test_bit(__IXGBE_IN_SFP_INIT, &adapter->state))
3520 			return -EBUSY;
3521 
3522 		if (i < ETH_MODULE_SFF_8079_LEN)
3523 			status = hw->phy.ops.read_i2c_eeprom(hw, i, &databyte);
3524 		else
3525 			status = hw->phy.ops.read_i2c_sff8472(hw, i, &databyte);
3526 
3527 		if (status)
3528 			return -EIO;
3529 
3530 		data[i - ee->offset] = databyte;
3531 	}
3532 
3533 	return 0;
3534 }
3535 
3536 static const struct {
3537 	ixgbe_link_speed mac_speed;
3538 	u32 link_mode;
3539 } ixgbe_ls_map[] = {
3540 	{ IXGBE_LINK_SPEED_10_FULL, ETHTOOL_LINK_MODE_10baseT_Full_BIT },
3541 	{ IXGBE_LINK_SPEED_100_FULL, ETHTOOL_LINK_MODE_100baseT_Full_BIT },
3542 	{ IXGBE_LINK_SPEED_1GB_FULL, ETHTOOL_LINK_MODE_1000baseT_Full_BIT },
3543 	{ IXGBE_LINK_SPEED_2_5GB_FULL, ETHTOOL_LINK_MODE_2500baseX_Full_BIT },
3544 	{ IXGBE_LINK_SPEED_10GB_FULL, ETHTOOL_LINK_MODE_10000baseT_Full_BIT },
3545 };
3546 
3547 static const struct {
3548 	u32 lp_advertised;
3549 	u32 link_mode;
3550 } ixgbe_lp_map[] = {
3551 	{ FW_PHY_ACT_UD_2_100M_TX_EEE, ETHTOOL_LINK_MODE_100baseT_Full_BIT },
3552 	{ FW_PHY_ACT_UD_2_1G_T_EEE, ETHTOOL_LINK_MODE_1000baseT_Full_BIT },
3553 	{ FW_PHY_ACT_UD_2_10G_T_EEE, ETHTOOL_LINK_MODE_10000baseT_Full_BIT },
3554 	{ FW_PHY_ACT_UD_2_1G_KX_EEE, ETHTOOL_LINK_MODE_1000baseKX_Full_BIT },
3555 	{ FW_PHY_ACT_UD_2_10G_KX4_EEE, ETHTOOL_LINK_MODE_10000baseKX4_Full_BIT },
3556 	{ FW_PHY_ACT_UD_2_10G_KR_EEE, ETHTOOL_LINK_MODE_10000baseKR_Full_BIT},
3557 };
3558 
3559 static int
ixgbe_get_eee_fw(struct ixgbe_adapter * adapter,struct ethtool_keee * edata)3560 ixgbe_get_eee_fw(struct ixgbe_adapter *adapter, struct ethtool_keee *edata)
3561 {
3562 	__ETHTOOL_DECLARE_LINK_MODE_MASK(common);
3563 	u32 info[FW_PHY_ACT_DATA_COUNT] = { 0 };
3564 	struct ixgbe_hw *hw = &adapter->hw;
3565 	int rc;
3566 	u16 i;
3567 
3568 	rc = ixgbe_fw_phy_activity(hw, FW_PHY_ACT_UD_2, &info);
3569 	if (rc)
3570 		return rc;
3571 
3572 	for (i = 0; i < ARRAY_SIZE(ixgbe_lp_map); ++i) {
3573 		if (info[0] & ixgbe_lp_map[i].lp_advertised)
3574 			linkmode_set_bit(ixgbe_lp_map[i].link_mode,
3575 					 edata->lp_advertised);
3576 	}
3577 
3578 	for (i = 0; i < ARRAY_SIZE(ixgbe_ls_map); ++i) {
3579 		if (hw->phy.eee_speeds_supported & ixgbe_ls_map[i].mac_speed)
3580 			linkmode_set_bit(ixgbe_ls_map[i].link_mode,
3581 					 edata->supported);
3582 	}
3583 
3584 	for (i = 0; i < ARRAY_SIZE(ixgbe_ls_map); ++i) {
3585 		if (hw->phy.eee_speeds_advertised & ixgbe_ls_map[i].mac_speed)
3586 			linkmode_set_bit(ixgbe_ls_map[i].link_mode,
3587 					 edata->advertised);
3588 	}
3589 
3590 	edata->eee_enabled = !linkmode_empty(edata->advertised);
3591 	edata->tx_lpi_enabled = edata->eee_enabled;
3592 
3593 	linkmode_and(common, edata->advertised, edata->lp_advertised);
3594 	edata->eee_active = !linkmode_empty(common);
3595 
3596 	return 0;
3597 }
3598 
ixgbe_get_eee(struct net_device * netdev,struct ethtool_keee * edata)3599 static int ixgbe_get_eee(struct net_device *netdev, struct ethtool_keee *edata)
3600 {
3601 	struct ixgbe_adapter *adapter = ixgbe_from_netdev(netdev);
3602 	struct ixgbe_hw *hw = &adapter->hw;
3603 
3604 	if (!(adapter->flags2 & IXGBE_FLAG2_EEE_CAPABLE))
3605 		return -EOPNOTSUPP;
3606 
3607 	if (hw->phy.eee_speeds_supported && hw->phy.type == ixgbe_phy_fw)
3608 		return ixgbe_get_eee_fw(adapter, edata);
3609 
3610 	return -EOPNOTSUPP;
3611 }
3612 
ixgbe_set_eee(struct net_device * netdev,struct ethtool_keee * edata)3613 static int ixgbe_set_eee(struct net_device *netdev, struct ethtool_keee *edata)
3614 {
3615 	struct ixgbe_adapter *adapter = ixgbe_from_netdev(netdev);
3616 	struct ixgbe_hw *hw = &adapter->hw;
3617 	struct ethtool_keee eee_data;
3618 	int ret_val;
3619 
3620 	if (!(adapter->flags2 & IXGBE_FLAG2_EEE_CAPABLE))
3621 		return -EOPNOTSUPP;
3622 
3623 	memset(&eee_data, 0, sizeof(struct ethtool_keee));
3624 
3625 	ret_val = ixgbe_get_eee(netdev, &eee_data);
3626 	if (ret_val)
3627 		return ret_val;
3628 
3629 	if (eee_data.eee_enabled && !edata->eee_enabled) {
3630 		if (eee_data.tx_lpi_enabled != edata->tx_lpi_enabled) {
3631 			e_err(drv, "Setting EEE tx-lpi is not supported\n");
3632 			return -EINVAL;
3633 		}
3634 
3635 		if (eee_data.tx_lpi_timer != edata->tx_lpi_timer) {
3636 			e_err(drv,
3637 			      "Setting EEE Tx LPI timer is not supported\n");
3638 			return -EINVAL;
3639 		}
3640 
3641 		if (!linkmode_equal(eee_data.advertised, edata->advertised)) {
3642 			e_err(drv,
3643 			      "Setting EEE advertised speeds is not supported\n");
3644 			return -EINVAL;
3645 		}
3646 	}
3647 
3648 	if (eee_data.eee_enabled != edata->eee_enabled) {
3649 		if (edata->eee_enabled) {
3650 			adapter->flags2 |= IXGBE_FLAG2_EEE_ENABLED;
3651 			hw->phy.eee_speeds_advertised =
3652 						   hw->phy.eee_speeds_supported;
3653 		} else {
3654 			adapter->flags2 &= ~IXGBE_FLAG2_EEE_ENABLED;
3655 			hw->phy.eee_speeds_advertised = 0;
3656 		}
3657 
3658 		/* reset link */
3659 		if (netif_running(netdev))
3660 			ixgbe_reinit_locked(adapter);
3661 		else
3662 			ixgbe_reset(adapter);
3663 	}
3664 
3665 	return 0;
3666 }
3667 
ixgbe_get_priv_flags(struct net_device * netdev)3668 static u32 ixgbe_get_priv_flags(struct net_device *netdev)
3669 {
3670 	struct ixgbe_adapter *adapter = ixgbe_from_netdev(netdev);
3671 	u32 priv_flags = 0;
3672 
3673 	if (adapter->flags2 & IXGBE_FLAG2_RX_LEGACY)
3674 		priv_flags |= IXGBE_PRIV_FLAGS_LEGACY_RX;
3675 
3676 	if (adapter->flags2 & IXGBE_FLAG2_VF_IPSEC_ENABLED)
3677 		priv_flags |= IXGBE_PRIV_FLAGS_VF_IPSEC_EN;
3678 
3679 	if (adapter->flags2 & IXGBE_FLAG2_AUTO_DISABLE_VF)
3680 		priv_flags |= IXGBE_PRIV_FLAGS_AUTO_DISABLE_VF;
3681 
3682 	return priv_flags;
3683 }
3684 
ixgbe_set_priv_flags(struct net_device * netdev,u32 priv_flags)3685 static int ixgbe_set_priv_flags(struct net_device *netdev, u32 priv_flags)
3686 {
3687 	struct ixgbe_adapter *adapter = ixgbe_from_netdev(netdev);
3688 	unsigned int flags2 = adapter->flags2;
3689 	unsigned int i;
3690 
3691 	flags2 &= ~IXGBE_FLAG2_RX_LEGACY;
3692 	if (priv_flags & IXGBE_PRIV_FLAGS_LEGACY_RX)
3693 		flags2 |= IXGBE_FLAG2_RX_LEGACY;
3694 
3695 	flags2 &= ~IXGBE_FLAG2_VF_IPSEC_ENABLED;
3696 	if (priv_flags & IXGBE_PRIV_FLAGS_VF_IPSEC_EN)
3697 		flags2 |= IXGBE_FLAG2_VF_IPSEC_ENABLED;
3698 
3699 	flags2 &= ~IXGBE_FLAG2_AUTO_DISABLE_VF;
3700 	if (priv_flags & IXGBE_PRIV_FLAGS_AUTO_DISABLE_VF) {
3701 		if (adapter->hw.mac.type == ixgbe_mac_82599EB) {
3702 			/* Reset primary abort counter */
3703 			for (i = 0; i < adapter->num_vfs; i++)
3704 				adapter->vfinfo[i].primary_abort_count = 0;
3705 
3706 			flags2 |= IXGBE_FLAG2_AUTO_DISABLE_VF;
3707 		} else {
3708 			e_info(probe,
3709 			       "Cannot set private flags: Operation not supported\n");
3710 			return -EOPNOTSUPP;
3711 		}
3712 	}
3713 
3714 	if (flags2 != adapter->flags2) {
3715 		adapter->flags2 = flags2;
3716 
3717 		/* reset interface to repopulate queues */
3718 		if (netif_running(netdev))
3719 			ixgbe_reinit_locked(adapter);
3720 	}
3721 
3722 	return 0;
3723 }
3724 
3725 static const struct ethtool_ops ixgbe_ethtool_ops = {
3726 	.supported_coalesce_params = ETHTOOL_COALESCE_USECS,
3727 	.get_drvinfo            = ixgbe_get_drvinfo,
3728 	.get_regs_len           = ixgbe_get_regs_len,
3729 	.get_regs               = ixgbe_get_regs,
3730 	.get_wol                = ixgbe_get_wol,
3731 	.set_wol                = ixgbe_set_wol,
3732 	.nway_reset             = ixgbe_nway_reset,
3733 	.get_link               = ethtool_op_get_link,
3734 	.get_link_ext_stats	= ixgbe_get_link_ext_stats,
3735 	.get_eeprom_len         = ixgbe_get_eeprom_len,
3736 	.get_eeprom             = ixgbe_get_eeprom,
3737 	.set_eeprom             = ixgbe_set_eeprom,
3738 	.get_ringparam          = ixgbe_get_ringparam,
3739 	.set_ringparam          = ixgbe_set_ringparam,
3740 	.get_pause_stats	= ixgbe_get_pause_stats,
3741 	.get_pauseparam         = ixgbe_get_pauseparam,
3742 	.set_pauseparam         = ixgbe_set_pauseparam,
3743 	.get_msglevel           = ixgbe_get_msglevel,
3744 	.set_msglevel           = ixgbe_set_msglevel,
3745 	.self_test              = ixgbe_diag_test,
3746 	.get_strings            = ixgbe_get_strings,
3747 	.set_phys_id            = ixgbe_set_phys_id,
3748 	.get_sset_count         = ixgbe_get_sset_count,
3749 	.get_ethtool_stats      = ixgbe_get_ethtool_stats,
3750 	.get_coalesce           = ixgbe_get_coalesce,
3751 	.set_coalesce           = ixgbe_set_coalesce,
3752 	.get_rx_ring_count	= ixgbe_get_rx_ring_count,
3753 	.get_rxnfc		= ixgbe_get_rxnfc,
3754 	.set_rxnfc		= ixgbe_set_rxnfc,
3755 	.get_rxfh_indir_size	= ixgbe_rss_indir_size,
3756 	.get_rxfh_key_size	= ixgbe_get_rxfh_key_size,
3757 	.get_rxfh		= ixgbe_get_rxfh,
3758 	.set_rxfh		= ixgbe_set_rxfh,
3759 	.get_rxfh_fields	= ixgbe_get_rxfh_fields,
3760 	.set_rxfh_fields	= ixgbe_set_rxfh_fields,
3761 	.get_eee		= ixgbe_get_eee,
3762 	.set_eee		= ixgbe_set_eee,
3763 	.get_channels		= ixgbe_get_channels,
3764 	.set_channels		= ixgbe_set_channels,
3765 	.get_priv_flags		= ixgbe_get_priv_flags,
3766 	.set_priv_flags		= ixgbe_set_priv_flags,
3767 	.get_ts_info		= ixgbe_get_ts_info,
3768 	.get_module_info	= ixgbe_get_module_info,
3769 	.get_module_eeprom	= ixgbe_get_module_eeprom,
3770 	.get_link_ksettings     = ixgbe_get_link_ksettings,
3771 	.set_link_ksettings     = ixgbe_set_link_ksettings,
3772 };
3773 
3774 static const struct ethtool_ops ixgbe_ethtool_ops_e610 = {
3775 	.supported_coalesce_params = ETHTOOL_COALESCE_USECS,
3776 	.get_drvinfo            = ixgbe_get_drvinfo,
3777 	.get_regs_len           = ixgbe_get_regs_len,
3778 	.get_regs               = ixgbe_get_regs,
3779 	.get_wol                = ixgbe_get_wol,
3780 	.set_wol                = ixgbe_set_wol_e610,
3781 	.nway_reset             = ixgbe_nway_reset,
3782 	.get_link               = ethtool_op_get_link,
3783 	.get_link_ext_stats	= ixgbe_get_link_ext_stats,
3784 	.get_eeprom_len         = ixgbe_get_eeprom_len,
3785 	.get_eeprom             = ixgbe_get_eeprom,
3786 	.set_eeprom             = ixgbe_set_eeprom,
3787 	.get_ringparam          = ixgbe_get_ringparam,
3788 	.set_ringparam          = ixgbe_set_ringparam,
3789 	.get_pause_stats	= ixgbe_get_pause_stats,
3790 	.get_pauseparam         = ixgbe_get_pauseparam,
3791 	.set_pauseparam         = ixgbe_set_pauseparam_e610,
3792 	.get_msglevel           = ixgbe_get_msglevel,
3793 	.set_msglevel           = ixgbe_set_msglevel,
3794 	.self_test              = ixgbe_diag_test,
3795 	.get_strings            = ixgbe_get_strings,
3796 	.set_phys_id            = ixgbe_set_phys_id_e610,
3797 	.get_sset_count         = ixgbe_get_sset_count,
3798 	.get_ethtool_stats      = ixgbe_get_ethtool_stats,
3799 	.get_coalesce           = ixgbe_get_coalesce,
3800 	.set_coalesce           = ixgbe_set_coalesce,
3801 	.get_rx_ring_count	= ixgbe_get_rx_ring_count,
3802 	.get_rxnfc		= ixgbe_get_rxnfc,
3803 	.set_rxnfc		= ixgbe_set_rxnfc,
3804 	.get_rxfh_indir_size	= ixgbe_rss_indir_size,
3805 	.get_rxfh_key_size	= ixgbe_get_rxfh_key_size,
3806 	.get_rxfh		= ixgbe_get_rxfh,
3807 	.set_rxfh		= ixgbe_set_rxfh,
3808 	.get_rxfh_fields	= ixgbe_get_rxfh_fields,
3809 	.set_rxfh_fields	= ixgbe_set_rxfh_fields,
3810 	.get_eee		= ixgbe_get_eee,
3811 	.set_eee		= ixgbe_set_eee,
3812 	.get_channels		= ixgbe_get_channels,
3813 	.set_channels		= ixgbe_set_channels,
3814 	.get_priv_flags		= ixgbe_get_priv_flags,
3815 	.set_priv_flags		= ixgbe_set_priv_flags,
3816 	.get_ts_info		= ixgbe_get_ts_info,
3817 	.get_module_info	= ixgbe_get_module_info,
3818 	.get_module_eeprom	= ixgbe_get_module_eeprom,
3819 	.get_link_ksettings     = ixgbe_get_link_ksettings,
3820 	.set_link_ksettings     = ixgbe_set_link_ksettings,
3821 };
3822 
ixgbe_set_ethtool_ops(struct net_device * netdev)3823 void ixgbe_set_ethtool_ops(struct net_device *netdev)
3824 {
3825 	struct ixgbe_adapter *adapter = ixgbe_from_netdev(netdev);
3826 
3827 	if (adapter->hw.mac.type == ixgbe_mac_e610)
3828 		netdev->ethtool_ops = &ixgbe_ethtool_ops_e610;
3829 	else
3830 		netdev->ethtool_ops = &ixgbe_ethtool_ops;
3831 }
3832